6458920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12421}}^1$

素因数の和:12445

約数の個数: 32

約数和(自身を含む): 15651720

約数和(自身を除く): 9192800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12421, 24842, 49684, 62105, 99368, 124210, 161473, 248420, 322946, 496840, 645892, 807365, 1291784, 1614730, 3229460, 6458920]

約数ペア:

[(1, 6458920), (2, 3229460), (4, 1614730), (5, 1291784), (8, 807365), (10, 645892), (13, 496840), (20, 322946), (26, 248420), (40, 161473), (52, 124210), (65, 99368), (104, 62105), (130, 49684), (260, 24842), (520, 12421)]