38909620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14851}}^1$

素因数の和:14991

約数の個数: 24

約数和(自身を含む): 82339488

約数和(自身を除く): 43429868

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 14851, 29702, 59404, 74255, 148510, 297020, 1945481, 3890962, 7781924, 9727405, 19454810, 38909620]

約数ペア:

[(1, 38909620), (2, 19454810), (4, 9727405), (5, 7781924), (10, 3890962), (20, 1945481), (131, 297020), (262, 148510), (524, 74255), (655, 59404), (1310, 29702), (2620, 14851)]