87513320

素因数分解:

$2^3\times 5^1\times {\mathrm{2187833}}^1$

素因数の和:2187844

約数の個数: 16

約数和(自身を含む): 196905060

約数和(自身を除く): 109391740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2187833, 4375666, 8751332, 10939165, 17502664, 21878330, 43756660, 87513320]

約数ペア:

[(1, 87513320), (2, 43756660), (4, 21878330), (5, 17502664), (8, 10939165), (10, 8751332), (20, 4375666), (40, 2187833)]