6453680

素因数分解:

$2^4\times 5^1\times {\mathrm{80671}}^1$

素因数の和:80684

約数の個数: 20

約数和(自身を含む): 15004992

約数和(自身を除く): 8551312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 80671, 161342, 322684, 403355, 645368, 806710, 1290736, 1613420, 3226840, 6453680]

約数ペア:

[(1, 6453680), (2, 3226840), (4, 1613420), (5, 1290736), (8, 806710), (10, 645368), (16, 403355), (20, 322684), (40, 161342), (80, 80671)]