102621980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{72269}}^1$

素因数の和:72349

約数の個数: 24

約数和(自身を含む): 218544480

約数和(自身を除く): 115922500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 72269, 144538, 289076, 361345, 722690, 1445380, 5131099, 10262198, 20524396, 25655495, 51310990, 102621980]

約数ペア:

[(1, 102621980), (2, 51310990), (4, 25655495), (5, 20524396), (10, 10262198), (20, 5131099), (71, 1445380), (142, 722690), (284, 361345), (355, 289076), (710, 144538), (1420, 72269)]