71955640

素因数分解:

$2^3\times 5^1\times {\mathrm{1798891}}^1$

素因数の和:1798902

約数の個数: 16

約数和(自身を含む): 161900280

約数和(自身を除く): 89944640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1798891, 3597782, 7195564, 8994455, 14391128, 17988910, 35977820, 71955640]

約数ペア:

[(1, 71955640), (2, 35977820), (4, 17988910), (5, 14391128), (8, 8994455), (10, 7195564), (20, 3597782), (40, 1798891)]