7245680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6967}}^1$

素因数の和:6993

約数の個数: 40

約数和(自身を含む): 18144672

約数和(自身を除く): 10898992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 6967, 13934, 27868, 34835, 55736, 69670, 90571, 111472, 139340, 181142, 278680, 362284, 452855, 557360, 724568, 905710, 1449136, 1811420, 3622840, 7245680]

約数ペア:

[(1, 7245680), (2, 3622840), (4, 1811420), (5, 1449136), (8, 905710), (10, 724568), (13, 557360), (16, 452855), (20, 362284), (26, 278680), (40, 181142), (52, 139340), (65, 111472), (80, 90571), (104, 69670), (130, 55736), (208, 34835), (260, 27868), (520, 13934), (1040, 6967)]