4807820

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 10138128

約数和(自身を除く): 5330308

約数列:

[1, 2, 4, 5, 10, 20, 421, 571, 842, 1142, 1684, 2105, 2284, 2855, 4210, 5710, 8420, 11420, 240391, 480782, 961564, 1201955, 2403910, 4807820]

約数ペア:

[(1, 4807820), (2, 2403910), (4, 1201955), (5, 961564), (10, 480782), (20, 240391), (421, 11420), (571, 8420), (842, 5710), (1142, 4210), (1684, 2855), (2105, 2284)]