8241680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1451}}^1$

素因数の和:1535

約数の個数: 40

約数和(自身を含む): 19445184

約数和(自身を除く): 11203504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1451, 2840, 2902, 5680, 5804, 7255, 11608, 14510, 23216, 29020, 58040, 103021, 116080, 206042, 412084, 515105, 824168, 1030210, 1648336, 2060420, 4120840, 8241680]

約数ペア:

[(1, 8241680), (2, 4120840), (4, 2060420), (5, 1648336), (8, 1030210), (10, 824168), (16, 515105), (20, 412084), (40, 206042), (71, 116080), (80, 103021), (142, 58040), (284, 29020), (355, 23216), (568, 14510), (710, 11608), (1136, 7255), (1420, 5804), (1451, 5680), (2840, 2902)]