72413360

素因数分解:

$2^4\times 5^1\times {\mathrm{905167}}^1$

素因数の和:905180

約数の個数: 20

約数和(自身を含む): 168361248

約数和(自身を除く): 95947888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 905167, 1810334, 3620668, 4525835, 7241336, 9051670, 14482672, 18103340, 36206680, 72413360]

約数ペア:

[(1, 72413360), (2, 36206680), (4, 18103340), (5, 14482672), (8, 9051670), (10, 7241336), (16, 4525835), (20, 3620668), (40, 1810334), (80, 905167)]