15520310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{431}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 30264192

約数和(自身を除く): 14743882

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 277, 431, 554, 862, 1385, 2155, 2770, 3601, 4310, 5603, 7202, 11206, 18005, 28015, 36010, 56030, 119387, 238774, 596935, 1193870, 1552031, 3104062, 7760155, 15520310]

約数ペア:

[(1, 15520310), (2, 7760155), (5, 3104062), (10, 1552031), (13, 1193870), (26, 596935), (65, 238774), (130, 119387), (277, 56030), (431, 36010), (554, 28015), (862, 18005), (1385, 11206), (2155, 7202), (2770, 5603), (3601, 4310)]