105981640

素因数分解:

$2^3\times 5^1\times {\mathrm{2649541}}^1$

素因数の和:2649552

約数の個数: 16

約数和(自身を含む): 238458780

約数和(自身を除く): 132477140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2649541, 5299082, 10598164, 13247705, 21196328, 26495410, 52990820, 105981640]

約数ペア:

[(1, 105981640), (2, 52990820), (4, 26495410), (5, 21196328), (8, 13247705), (10, 10598164), (20, 5299082), (40, 2649541)]