90720790736

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{79859851}}^1$

素因数の和:79859930

約数の個数: 20

約数和(自身を含む): 178247189664

約数和(自身を除く): 87526398928

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 79859851, 159719702, 319439404, 638878808, 1277757616, 5670049421, 11340098842, 22680197684, 45360395368, 90720790736]

約数ペア:

[(1, 90720790736), (2, 45360395368), (4, 22680197684), (8, 11340098842), (16, 5670049421), (71, 1277757616), (142, 638878808), (284, 319439404), (568, 159719702), (1136, 79859851)]