2508980

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{379}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 5298720

約数和(自身を除く): 2789740

約数列:

[1, 2, 4, 5, 10, 20, 331, 379, 662, 758, 1324, 1516, 1655, 1895, 3310, 3790, 6620, 7580, 125449, 250898, 501796, 627245, 1254490, 2508980]

約数ペア:

[(1, 2508980), (2, 1254490), (4, 627245), (5, 501796), (10, 250898), (20, 125449), (331, 7580), (379, 6620), (662, 3790), (758, 3310), (1324, 1895), (1516, 1655)]