12840910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{44279}}^1$

素因数の和:44315

約数の個数: 16

約数和(自身を含む): 23911200

約数和(自身を除く): 11070290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 44279, 88558, 221395, 442790, 1284091, 2568182, 6420455, 12840910]

約数ペア:

[(1, 12840910), (2, 6420455), (5, 2568182), (10, 1284091), (29, 442790), (58, 221395), (145, 88558), (290, 44279)]