74844080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21757}}^1$

素因数の和:21813

約数の個数: 40

約数和(自身を含む): 178067472

約数和(自身を除く): 103223392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 21757, 43514, 87028, 108785, 174056, 217570, 348112, 435140, 870280, 935551, 1740560, 1871102, 3742204, 4677755, 7484408, 9355510, 14968816, 18711020, 37422040, 74844080]

約数ペア:

[(1, 74844080), (2, 37422040), (4, 18711020), (5, 14968816), (8, 9355510), (10, 7484408), (16, 4677755), (20, 3742204), (40, 1871102), (43, 1740560), (80, 935551), (86, 870280), (172, 435140), (215, 348112), (344, 217570), (430, 174056), (688, 108785), (860, 87028), (1720, 43514), (3440, 21757)]