8370020

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{971}}^1$

素因数の和:1411

約数の個数: 24

約数和(自身を含む): 17635968

約数和(自身を除く): 9265948

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 971, 1724, 1942, 2155, 3884, 4310, 4855, 8620, 9710, 19420, 418501, 837002, 1674004, 2092505, 4185010, 8370020]

約数ペア:

[(1, 8370020), (2, 4185010), (4, 2092505), (5, 1674004), (10, 837002), (20, 418501), (431, 19420), (862, 9710), (971, 8620), (1724, 4855), (1942, 4310), (2155, 3884)]