88985020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{32009}}^1$

素因数の和:32157

約数の個数: 24

約数和(自身を含む): 188218800

約数和(自身を除く): 99233780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 32009, 64018, 128036, 160045, 320090, 640180, 4449251, 8898502, 17797004, 22246255, 44492510, 88985020]

約数ペア:

[(1, 88985020), (2, 44492510), (4, 22246255), (5, 17797004), (10, 8898502), (20, 4449251), (139, 640180), (278, 320090), (556, 160045), (695, 128036), (1390, 64018), (2780, 32009)]