74797640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43487}}^1$

素因数の和:43541

約数の個数: 32

約数和(自身を含む): 172212480

約数和(自身を除く): 97414840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 43487, 86974, 173948, 217435, 347896, 434870, 869740, 1739480, 1869941, 3739882, 7479764, 9349705, 14959528, 18699410, 37398820, 74797640]

約数ペア:

[(1, 74797640), (2, 37398820), (4, 18699410), (5, 14959528), (8, 9349705), (10, 7479764), (20, 3739882), (40, 1869941), (43, 1739480), (86, 869740), (172, 434870), (215, 347896), (344, 217435), (430, 173948), (860, 86974), (1720, 43487)]