22100000

素因数分解:

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

素因数の和:65

約数の個数: 144

約数和(自身を含む): 62011656

約数和(自身を除く): 39911656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 125, 130, 136, 160, 170, 200, 208, 221, 250, 260, 272, 325, 340, 400, 416, 425, 442, 500, 520, 544, 625, 650, 680, 800, 850, 884, 1000, 1040, 1105, 1250, 1300, 1360, 1625, 1700, 1768, 2000, 2080, 2125, 2210, 2500, 2600, 2720, 3125, 3250, 3400, 3536, 4000, 4250, 4420, 5000, 5200, 5525, 6250, 6500, 6800, 7072, 8125, 8500, 8840, 10000, 10400, 10625, 11050, 12500, 13000, 13600, 16250, 17000, 17680, 20000, 21250, 22100, 25000, 26000, 27625, 32500, 34000, 35360, 40625, 42500, 44200, 50000, 52000, 53125, 55250, 65000, 68000, 81250, 85000, 88400, 100000, 106250, 110500, 130000, 138125, 162500, 170000, 176800, 212500, 221000, 260000, 276250, 325000, 340000, 425000, 442000, 552500, 650000, 690625, 850000, 884000, 1105000, 1300000, 1381250, 1700000, 2210000, 2762500, 4420000, 5525000, 11050000, 22100000]

約数ペア:

[(1, 22100000), (2, 11050000), (4, 5525000), (5, 4420000), (8, 2762500), (10, 2210000), (13, 1700000), (16, 1381250), (17, 1300000), (20, 1105000), (25, 884000), (26, 850000), (32, 690625), (34, 650000), (40, 552500), (50, 442000), (52, 425000), (65, 340000), (68, 325000), (80, 276250), (85, 260000), (100, 221000), (104, 212500), (125, 176800), (130, 170000), (136, 162500), (160, 138125), (170, 130000), (200, 110500), (208, 106250), (221, 100000), (250, 88400), (260, 85000), (272, 81250), (325, 68000), (340, 65000), (400, 55250), (416, 53125), (425, 52000), (442, 50000), (500, 44200), (520, 42500), (544, 40625), (625, 35360), (650, 34000), (680, 32500), (800, 27625), (850, 26000), (884, 25000), (1000, 22100), (1040, 21250), (1105, 20000), (1250, 17680), (1300, 17000), (1360, 16250), (1625, 13600), (1700, 13000), (1768, 12500), (2000, 11050), (2080, 10625), (2125, 10400), (2210, 10000), (2500, 8840), (2600, 8500), (2720, 8125), (3125, 7072), (3250, 6800), (3400, 6500), (3536, 6250), (4000, 5525), (4250, 5200), (4420, 5000)]