28568080

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3467}}^1$

素因数の和:3583

約数の個数: 40

約数和(自身を含む): 67084992

約数和(自身を除く): 38516912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3467, 4120, 6934, 8240, 13868, 17335, 27736, 34670, 55472, 69340, 138680, 277360, 357101, 714202, 1428404, 1785505, 2856808, 3571010, 5713616, 7142020, 14284040, 28568080]

約数ペア:

[(1, 28568080), (2, 14284040), (4, 7142020), (5, 5713616), (8, 3571010), (10, 2856808), (16, 1785505), (20, 1428404), (40, 714202), (80, 357101), (103, 277360), (206, 138680), (412, 69340), (515, 55472), (824, 34670), (1030, 27736), (1648, 17335), (2060, 13868), (3467, 8240), (4120, 6934)]