8013680

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{919}}^1$

素因数の和:1041

約数の個数: 40

約数和(自身を含む): 18823200

約数和(自身を除く): 10809520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 919, 1090, 1744, 1838, 2180, 3676, 4360, 4595, 7352, 8720, 9190, 14704, 18380, 36760, 73520, 100171, 200342, 400684, 500855, 801368, 1001710, 1602736, 2003420, 4006840, 8013680]

約数ペア:

[(1, 8013680), (2, 4006840), (4, 2003420), (5, 1602736), (8, 1001710), (10, 801368), (16, 500855), (20, 400684), (40, 200342), (80, 100171), (109, 73520), (218, 36760), (436, 18380), (545, 14704), (872, 9190), (919, 8720), (1090, 7352), (1744, 4595), (1838, 4360), (2180, 3676)]