83980000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:79

約数の個数: 240

約数和(自身を含む): 247983120

約数和(自身を除く): 164003120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 25, 26, 32, 34, 38, 40, 50, 52, 65, 68, 76, 80, 85, 95, 100, 104, 125, 130, 136, 152, 160, 170, 190, 200, 208, 221, 247, 250, 260, 272, 304, 323, 325, 340, 380, 400, 416, 425, 442, 475, 494, 500, 520, 544, 608, 625, 646, 650, 680, 760, 800, 850, 884, 950, 988, 1000, 1040, 1105, 1235, 1250, 1292, 1300, 1360, 1520, 1615, 1625, 1700, 1768, 1900, 1976, 2000, 2080, 2125, 2210, 2375, 2470, 2500, 2584, 2600, 2720, 3040, 3230, 3250, 3400, 3536, 3800, 3952, 4000, 4199, 4250, 4420, 4750, 4940, 5000, 5168, 5200, 5525, 6175, 6460, 6500, 6800, 7072, 7600, 7904, 8075, 8125, 8398, 8500, 8840, 9500, 9880, 10000, 10336, 10400, 10625, 11050, 11875, 12350, 12920, 13000, 13600, 15200, 16150, 16250, 16796, 17000, 17680, 19000, 19760, 20000, 20995, 21250, 22100, 23750, 24700, 25840, 26000, 27625, 30875, 32300, 32500, 33592, 34000, 35360, 38000, 39520, 40375, 41990, 42500, 44200, 47500, 49400, 51680, 52000, 55250, 61750, 64600, 65000, 67184, 68000, 76000, 80750, 83980, 85000, 88400, 95000, 98800, 104975, 110500, 123500, 129200, 130000, 134368, 138125, 154375, 161500, 167960, 170000, 176800, 190000, 197600, 201875, 209950, 221000, 247000, 258400, 260000, 276250, 308750, 323000, 335920, 340000, 380000, 403750, 419900, 442000, 494000, 524875, 552500, 617500, 646000, 671840, 807500, 839800, 884000, 988000, 1049750, 1105000, 1235000, 1292000, 1615000, 1679600, 2099500, 2210000, 2470000, 2624375, 3230000, 3359200, 4199000, 4420000, 4940000, 5248750, 6460000, 8398000, 10497500, 16796000, 20995000, 41990000, 83980000]

約数ペア:

[(1, 83980000), (2, 41990000), (4, 20995000), (5, 16796000), (8, 10497500), (10, 8398000), (13, 6460000), (16, 5248750), (17, 4940000), (19, 4420000), (20, 4199000), (25, 3359200), (26, 3230000), (32, 2624375), (34, 2470000), (38, 2210000), (40, 2099500), (50, 1679600), (52, 1615000), (65, 1292000), (68, 1235000), (76, 1105000), (80, 1049750), (85, 988000), (95, 884000), (100, 839800), (104, 807500), (125, 671840), (130, 646000), (136, 617500), (152, 552500), (160, 524875), (170, 494000), (190, 442000), (200, 419900), (208, 403750), (221, 380000), (247, 340000), (250, 335920), (260, 323000), (272, 308750), (304, 276250), (323, 260000), (325, 258400), (340, 247000), (380, 221000), (400, 209950), (416, 201875), (425, 197600), (442, 190000), (475, 176800), (494, 170000), (500, 167960), (520, 161500), (544, 154375), (608, 138125), (625, 134368), (646, 130000), (650, 129200), (680, 123500), (760, 110500), (800, 104975), (850, 98800), (884, 95000), (950, 88400), (988, 85000), (1000, 83980), (1040, 80750), (1105, 76000), (1235, 68000), (1250, 67184), (1292, 65000), (1300, 64600), (1360, 61750), (1520, 55250), (1615, 52000), (1625, 51680), (1700, 49400), (1768, 47500), (1900, 44200), (1976, 42500), (2000, 41990), (2080, 40375), (2125, 39520), (2210, 38000), (2375, 35360), (2470, 34000), (2500, 33592), (2584, 32500), (2600, 32300), (2720, 30875), (3040, 27625), (3230, 26000), (3250, 25840), (3400, 24700), (3536, 23750), (3800, 22100), (3952, 21250), (4000, 20995), (4199, 20000), (4250, 19760), (4420, 19000), (4750, 17680), (4940, 17000), (5000, 16796), (5168, 16250), (5200, 16150), (5525, 15200), (6175, 13600), (6460, 13000), (6500, 12920), (6800, 12350), (7072, 11875), (7600, 11050), (7904, 10625), (8075, 10400), (8125, 10336), (8398, 10000), (8500, 9880), (8840, 9500)]