676218920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1300421}}^1$

素因数の和:1300445

約数の個数: 32

約数和(自身を含む): 1638531720

約数和(自身を除く): 962312800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1300421, 2600842, 5201684, 6502105, 10403368, 13004210, 16905473, 26008420, 33810946, 52016840, 67621892, 84527365, 135243784, 169054730, 338109460, 676218920]

約数ペア:

[(1, 676218920), (2, 338109460), (4, 169054730), (5, 135243784), (8, 84527365), (10, 67621892), (13, 52016840), (20, 33810946), (26, 26008420), (40, 16905473), (52, 13004210), (65, 10403368), (104, 6502105), (130, 5201684), (260, 2600842), (520, 1300421)]