86408020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{81517}}^1$

素因数の和:81579

約数の個数: 24

約数和(自身を含む): 184882824

約数和(自身を除く): 98474804

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 81517, 163034, 326068, 407585, 815170, 1630340, 4320401, 8640802, 17281604, 21602005, 43204010, 86408020]

約数ペア:

[(1, 86408020), (2, 43204010), (4, 21602005), (5, 17281604), (10, 8640802), (20, 4320401), (53, 1630340), (106, 815170), (212, 407585), (265, 326068), (530, 163034), (1060, 81517)]