9905020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6269}}^1$

素因数の和:6357

約数の個数: 24

約数和(自身を含む): 21067200

約数和(自身を除く): 11162180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 6269, 12538, 25076, 31345, 62690, 125380, 495251, 990502, 1981004, 2476255, 4952510, 9905020]

約数ペア:

[(1, 9905020), (2, 4952510), (4, 2476255), (5, 1981004), (10, 990502), (20, 495251), (79, 125380), (158, 62690), (316, 31345), (395, 25076), (790, 12538), (1580, 6269)]