12960097940

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2688817}}^1$

素因数の和:2689067

約数の個数: 24

約数和(自身を含む): 27329146152

約数和(自身を除く): 14369048212

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 2688817, 5377634, 10755268, 13444085, 26888170, 53776340, 648004897, 1296009794, 2592019588, 3240024485, 6480048970, 12960097940]

約数ペア:

[(1, 12960097940), (2, 6480048970), (4, 3240024485), (5, 2592019588), (10, 1296009794), (20, 648004897), (241, 53776340), (482, 26888170), (964, 13444085), (1205, 10755268), (2410, 5377634), (4820, 2688817)]