25127980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40529}}^1$

素因数の和:40569

約数の個数: 24

約数和(自身を含む): 54472320

約数和(自身を除く): 29344340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 40529, 81058, 162116, 202645, 405290, 810580, 1256399, 2512798, 5025596, 6281995, 12563990, 25127980]

約数ペア:

[(1, 25127980), (2, 12563990), (4, 6281995), (5, 5025596), (10, 2512798), (20, 1256399), (31, 810580), (62, 405290), (124, 202645), (155, 162116), (310, 81058), (620, 40529)]