85865020

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{18913}}^1$

素因数の和:19149

約数の個数: 24

約数和(自身を含む): 181120464

約数和(自身を除く): 95255444

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 18913, 37826, 75652, 94565, 189130, 378260, 4293251, 8586502, 17173004, 21466255, 42932510, 85865020]

約数ペア:

[(1, 85865020), (2, 42932510), (4, 21466255), (5, 17173004), (10, 8586502), (20, 4293251), (227, 378260), (454, 189130), (908, 94565), (1135, 75652), (2270, 37826), (4540, 18913)]