12989080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24979}}^1$

素因数の和:25003

約数の個数: 32

約数和(自身を含む): 31474800

約数和(自身を除く): 18485720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 24979, 49958, 99916, 124895, 199832, 249790, 324727, 499580, 649454, 999160, 1298908, 1623635, 2597816, 3247270, 6494540, 12989080]

約数ペア:

[(1, 12989080), (2, 6494540), (4, 3247270), (5, 2597816), (8, 1623635), (10, 1298908), (13, 999160), (20, 649454), (26, 499580), (40, 324727), (52, 249790), (65, 199832), (104, 124895), (130, 99916), (260, 49958), (520, 24979)]