4087910

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{971}}^1$

素因数の和:1399

約数の個数: 16

約数和(自身を含む): 7383312

約数和(自身を除く): 3295402

約数列:

[1, 2, 5, 10, 421, 842, 971, 1942, 2105, 4210, 4855, 9710, 408791, 817582, 2043955, 4087910]

約数ペア:

[(1, 4087910), (2, 2043955), (5, 817582), (10, 408791), (421, 9710), (842, 4855), (971, 4210), (1942, 2105)]