49653680

素因数分解:

$2^4\times 5^1\times {\mathrm{620671}}^1$

素因数の和:620684

約数の個数: 20

約数和(自身を含む): 115444992

約数和(自身を除く): 65791312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 620671, 1241342, 2482684, 3103355, 4965368, 6206710, 9930736, 12413420, 24826840, 49653680]

約数ペア:

[(1, 49653680), (2, 24826840), (4, 12413420), (5, 9930736), (8, 6206710), (10, 4965368), (16, 3103355), (20, 2482684), (40, 1241342), (80, 620671)]