8478291260

素因数分解:

$2^2\times 5^1\times {\mathrm{6451}}^1\times {\mathrm{65713}}^1$

素因数の和:72173

約数の個数: 24

約数和(自身を含む): 17807442576

約数和(自身を除く): 9329151316

約数列:

[1, 2, 4, 5, 10, 20, 6451, 12902, 25804, 32255, 64510, 65713, 129020, 131426, 262852, 328565, 657130, 1314260, 423914563, 847829126, 1695658252, 2119572815, 4239145630, 8478291260]

約数ペア:

[(1, 8478291260), (2, 4239145630), (4, 2119572815), (5, 1695658252), (10, 847829126), (20, 423914563), (6451, 1314260), (12902, 657130), (25804, 328565), (32255, 262852), (64510, 131426), (65713, 129020)]