39989020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{33889}}^1$

素因数の和:33957

約数の個数: 24

約数和(自身を含む): 85402800

約数和(自身を除く): 45413780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 33889, 67778, 135556, 169445, 338890, 677780, 1999451, 3998902, 7997804, 9997255, 19994510, 39989020]

約数ペア:

[(1, 39989020), (2, 19994510), (4, 9997255), (5, 7997804), (10, 3998902), (20, 1999451), (59, 677780), (118, 338890), (236, 169445), (295, 135556), (590, 67778), (1180, 33889)]