4920981640

素因数分解:

$2^3\times 5^1\times {\mathrm{123024541}}^1$

素因数の和:123024552

約数の個数: 16

約数和(自身を含む): 11072208780

約数和(自身を除く): 6151227140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 123024541, 246049082, 492098164, 615122705, 984196328, 1230245410, 2460490820, 4920981640]

約数ペア:

[(1, 4920981640), (2, 2460490820), (4, 1230245410), (5, 984196328), (8, 615122705), (10, 492098164), (20, 246049082), (40, 123024541)]