42697360

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1087}}^1$

素因数の和:1591

約数の個数: 40

約数和(自身を含む): 99565056

約数和(自身を除く): 56867696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1087, 1964, 2174, 2455, 3928, 4348, 4910, 5435, 7856, 8696, 9820, 10870, 17392, 19640, 21740, 39280, 43480, 86960, 533717, 1067434, 2134868, 2668585, 4269736, 5337170, 8539472, 10674340, 21348680, 42697360]

約数ペア:

[(1, 42697360), (2, 21348680), (4, 10674340), (5, 8539472), (8, 5337170), (10, 4269736), (16, 2668585), (20, 2134868), (40, 1067434), (80, 533717), (491, 86960), (982, 43480), (1087, 39280), (1964, 21740), (2174, 19640), (2455, 17392), (3928, 10870), (4348, 9820), (4910, 8696), (5435, 7856)]