7262840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13967}}^1$

素因数の和:13991

約数の個数: 32

約数和(自身を含む): 17599680

約数和(自身を除く): 10336840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 13967, 27934, 55868, 69835, 111736, 139670, 181571, 279340, 363142, 558680, 726284, 907855, 1452568, 1815710, 3631420, 7262840]

約数ペア:

[(1, 7262840), (2, 3631420), (4, 1815710), (5, 1452568), (8, 907855), (10, 726284), (13, 558680), (20, 363142), (26, 279340), (40, 181571), (52, 139670), (65, 111736), (104, 69835), (130, 55868), (260, 27934), (520, 13967)]