9615640

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{571}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 21724560

約数和(自身を除く): 12108920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 571, 842, 1142, 1684, 2105, 2284, 2855, 3368, 4210, 4568, 5710, 8420, 11420, 16840, 22840, 240391, 480782, 961564, 1201955, 1923128, 2403910, 4807820, 9615640]

約数ペア:

[(1, 9615640), (2, 4807820), (4, 2403910), (5, 1923128), (8, 1201955), (10, 961564), (20, 480782), (40, 240391), (421, 22840), (571, 16840), (842, 11420), (1142, 8420), (1684, 5710), (2105, 4568), (2284, 4210), (2855, 3368)]