87518120

素因数分解:

$2^3\times 5^1\times {\mathrm{2187953}}^1$

素因数の和:2187964

約数の個数: 16

約数和(自身を含む): 196915860

約数和(自身を除く): 109397740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2187953, 4375906, 8751812, 10939765, 17503624, 21879530, 43759060, 87518120]

約数ペア:

[(1, 87518120), (2, 43759060), (4, 21879530), (5, 17503624), (8, 10939765), (10, 8751812), (20, 4375906), (40, 2187953)]