13903240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26737}}^1$

素因数の和:26761

約数の個数: 32

約数和(自身を含む): 33689880

約数和(自身を除く): 19786640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 26737, 53474, 106948, 133685, 213896, 267370, 347581, 534740, 695162, 1069480, 1390324, 1737905, 2780648, 3475810, 6951620, 13903240]

約数ペア:

[(1, 13903240), (2, 6951620), (4, 3475810), (5, 2780648), (8, 1737905), (10, 1390324), (13, 1069480), (20, 695162), (26, 534740), (40, 347581), (52, 267370), (65, 213896), (104, 133685), (130, 106948), (260, 53474), (520, 26737)]