87471640

素因数分解:

$2^3\times 5^1\times {\mathrm{2186791}}^1$

素因数の和:2186802

約数の個数: 16

約数和(自身を含む): 196811280

約数和(自身を除く): 109339640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2186791, 4373582, 8747164, 10933955, 17494328, 21867910, 43735820, 87471640]

約数ペア:

[(1, 87471640), (2, 43735820), (4, 21867910), (5, 17494328), (8, 10933955), (10, 8747164), (20, 4373582), (40, 2186791)]