13207240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10651}}^1$

素因数の和:10693

約数の個数: 32

約数和(自身を含む): 30677760

約数和(自身を除く): 17470520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10651, 21302, 42604, 53255, 85208, 106510, 213020, 330181, 426040, 660362, 1320724, 1650905, 2641448, 3301810, 6603620, 13207240]

約数ペア:

[(1, 13207240), (2, 6603620), (4, 3301810), (5, 2641448), (8, 1650905), (10, 1320724), (20, 660362), (31, 426040), (40, 330181), (62, 213020), (124, 106510), (155, 85208), (248, 53255), (310, 42604), (620, 21302), (1240, 10651)]