8456020

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2693}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 17877384

約数和(自身を除く): 9421364

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2693, 3140, 5386, 10772, 13465, 26930, 53860, 422801, 845602, 1691204, 2114005, 4228010, 8456020]

約数ペア:

[(1, 8456020), (2, 4228010), (4, 2114005), (5, 1691204), (10, 845602), (20, 422801), (157, 53860), (314, 26930), (628, 13465), (785, 10772), (1570, 5386), (2693, 3140)]