15745420

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6967}}^1$

素因数の和:7089

約数の個数: 24

約数和(自身を含む): 33362784

約数和(自身を除く): 17617364

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 6967, 13934, 27868, 34835, 69670, 139340, 787271, 1574542, 3149084, 3936355, 7872710, 15745420]

約数ペア:

[(1, 15745420), (2, 7872710), (4, 3936355), (5, 3149084), (10, 1574542), (20, 787271), (113, 139340), (226, 69670), (452, 34835), (565, 27868), (1130, 13934), (2260, 6967)]