8840000

素因数分解:

$2^6\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 140

約数和(自身を含む): 24995124

約数和(自身を除く): 16155124

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 64, 65, 68, 80, 85, 100, 104, 125, 130, 136, 160, 170, 200, 208, 221, 250, 260, 272, 320, 325, 340, 400, 416, 425, 442, 500, 520, 544, 625, 650, 680, 800, 832, 850, 884, 1000, 1040, 1088, 1105, 1250, 1300, 1360, 1600, 1625, 1700, 1768, 2000, 2080, 2125, 2210, 2500, 2600, 2720, 3250, 3400, 3536, 4000, 4160, 4250, 4420, 5000, 5200, 5440, 5525, 6500, 6800, 7072, 8000, 8125, 8500, 8840, 10000, 10400, 10625, 11050, 13000, 13600, 14144, 16250, 17000, 17680, 20000, 20800, 21250, 22100, 26000, 27200, 27625, 32500, 34000, 35360, 40000, 42500, 44200, 52000, 55250, 65000, 68000, 70720, 85000, 88400, 104000, 110500, 130000, 136000, 138125, 170000, 176800, 221000, 260000, 276250, 340000, 353600, 442000, 520000, 552500, 680000, 884000, 1105000, 1768000, 2210000, 4420000, 8840000]

約数ペア:

[(1, 8840000), (2, 4420000), (4, 2210000), (5, 1768000), (8, 1105000), (10, 884000), (13, 680000), (16, 552500), (17, 520000), (20, 442000), (25, 353600), (26, 340000), (32, 276250), (34, 260000), (40, 221000), (50, 176800), (52, 170000), (64, 138125), (65, 136000), (68, 130000), (80, 110500), (85, 104000), (100, 88400), (104, 85000), (125, 70720), (130, 68000), (136, 65000), (160, 55250), (170, 52000), (200, 44200), (208, 42500), (221, 40000), (250, 35360), (260, 34000), (272, 32500), (320, 27625), (325, 27200), (340, 26000), (400, 22100), (416, 21250), (425, 20800), (442, 20000), (500, 17680), (520, 17000), (544, 16250), (625, 14144), (650, 13600), (680, 13000), (800, 11050), (832, 10625), (850, 10400), (884, 10000), (1000, 8840), (1040, 8500), (1088, 8125), (1105, 8000), (1250, 7072), (1300, 6800), (1360, 6500), (1600, 5525), (1625, 5440), (1700, 5200), (1768, 5000), (2000, 4420), (2080, 4250), (2125, 4160), (2210, 4000), (2500, 3536), (2600, 3400), (2720, 3250)]