79038640

素因数分解:

$2^4\times 5^1\times {\mathrm{987983}}^1$

素因数の和:987996

約数の個数: 20

約数和(自身を含む): 183765024

約数和(自身を除く): 104726384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 987983, 1975966, 3951932, 4939915, 7903864, 9879830, 15807728, 19759660, 39519320, 79038640]

約数ペア:

[(1, 79038640), (2, 39519320), (4, 19759660), (5, 15807728), (8, 9879830), (10, 7903864), (16, 4939915), (20, 3951932), (40, 1975966), (80, 987983)]