1916080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:613

約数の個数: 40

約数和(自身を含む): 4566672

約数和(自身を除く): 2650592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 557, 688, 860, 1114, 1720, 2228, 2785, 3440, 4456, 5570, 8912, 11140, 22280, 23951, 44560, 47902, 95804, 119755, 191608, 239510, 383216, 479020, 958040, 1916080]

約数ペア:

[(1, 1916080), (2, 958040), (4, 479020), (5, 383216), (8, 239510), (10, 191608), (16, 119755), (20, 95804), (40, 47902), (43, 44560), (80, 23951), (86, 22280), (172, 11140), (215, 8912), (344, 5570), (430, 4456), (557, 3440), (688, 2785), (860, 2228), (1114, 1720)]