72262840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138967}}^1$

素因数の和:138991

約数の個数: 32

約数和(自身を含む): 175099680

約数和(自身を除く): 102836840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 138967, 277934, 555868, 694835, 1111736, 1389670, 1806571, 2779340, 3613142, 5558680, 7226284, 9032855, 14452568, 18065710, 36131420, 72262840]

約数ペア:

[(1, 72262840), (2, 36131420), (4, 18065710), (5, 14452568), (8, 9032855), (10, 7226284), (13, 5558680), (20, 3613142), (26, 2779340), (40, 1806571), (52, 1389670), (65, 1111736), (104, 694835), (130, 555868), (260, 277934), (520, 138967)]