160172680

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{15581}}^1$

素因数の和:15849

約数の個数: 32

約数和(自身を含む): 361814040

約数和(自身を除く): 201641360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 15581, 31162, 62324, 77905, 124648, 155810, 311620, 623240, 4004317, 8008634, 16017268, 20021585, 32034536, 40043170, 80086340, 160172680]

約数ペア:

[(1, 160172680), (2, 80086340), (4, 40043170), (5, 32034536), (8, 20021585), (10, 16017268), (20, 8008634), (40, 4004317), (257, 623240), (514, 311620), (1028, 155810), (1285, 124648), (2056, 77905), (2570, 62324), (5140, 31162), (10280, 15581)]