72421000360

素因数分解:

$2^3\times 5^1\times {\mathrm{1810525009}}^1$

素因数の和:1810525020

約数の個数: 16

約数和(自身を含む): 162947250900

約数和(自身を除く): 90526250540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1810525009, 3621050018, 7242100036, 9052625045, 14484200072, 18105250090, 36210500180, 72421000360]

約数ペア:

[(1, 72421000360), (2, 36210500180), (4, 18105250090), (5, 14484200072), (8, 9052625045), (10, 7242100036), (20, 3621050018), (40, 1810525009)]