72327820

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{16217}}^1$

素因数の和:16449

約数の個数: 24

約数和(自身を含む): 152578944

約数和(自身を除く): 80251124

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 16217, 32434, 64868, 81085, 162170, 324340, 3616391, 7232782, 14465564, 18081955, 36163910, 72327820]

約数ペア:

[(1, 72327820), (2, 36163910), (4, 18081955), (5, 14465564), (10, 7232782), (20, 3616391), (223, 324340), (446, 162170), (892, 81085), (1115, 64868), (2230, 32434), (4460, 16217)]