39630680

素因数分解:

$2^3\times 5^1\times {\mathrm{990767}}^1$

素因数の和:990778

約数の個数: 16

約数和(自身を含む): 89169120

約数和(自身を除く): 49538440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 990767, 1981534, 3963068, 4953835, 7926136, 9907670, 19815340, 39630680]

約数ペア:

[(1, 39630680), (2, 19815340), (4, 9907670), (5, 7926136), (8, 4953835), (10, 3963068), (20, 1981534), (40, 990767)]