80310680

素因数分解:

$2^3\times 5^1\times {\mathrm{2007767}}^1$

素因数の和:2007778

約数の個数: 16

約数和(自身を含む): 180699120

約数和(自身を除く): 100388440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2007767, 4015534, 8031068, 10038835, 16062136, 20077670, 40155340, 80310680]

約数ペア:

[(1, 80310680), (2, 40155340), (4, 20077670), (5, 16062136), (8, 10038835), (10, 8031068), (20, 4015534), (40, 2007767)]