42536365880

素因数分解:

$2^3\times 5^1\times {\mathrm{2693}}^1\times {\mathrm{394879}}^1$

素因数の和:397583

約数の個数: 32

約数和(自身を含む): 95742604800

約数和(自身を除く): 53206238920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2693, 5386, 10772, 13465, 21544, 26930, 53860, 107720, 394879, 789758, 1579516, 1974395, 3159032, 3948790, 7897580, 15795160, 1063409147, 2126818294, 4253636588, 5317045735, 8507273176, 10634091470, 21268182940, 42536365880]

約数ペア:

[(1, 42536365880), (2, 21268182940), (4, 10634091470), (5, 8507273176), (8, 5317045735), (10, 4253636588), (20, 2126818294), (40, 1063409147), (2693, 15795160), (5386, 7897580), (10772, 3948790), (13465, 3159032), (21544, 1974395), (26930, 1579516), (53860, 789758), (107720, 394879)]