85338020

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3911}}^1$

素因数の和:5011

約数の個数: 24

約数和(自身を含む): 179419968

約数和(自身を除く): 94081948

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 3911, 4364, 5455, 7822, 10910, 15644, 19555, 21820, 39110, 78220, 4266901, 8533802, 17067604, 21334505, 42669010, 85338020]

約数ペア:

[(1, 85338020), (2, 42669010), (4, 21334505), (5, 17067604), (10, 8533802), (20, 4266901), (1091, 78220), (2182, 39110), (3911, 21820), (4364, 19555), (5455, 15644), (7822, 10910)]