80857525

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27179}}^1$

素因数の和:27213

約数の個数: 24

約数和(自身を含む): 121331520

約数和(自身を除く): 40473995

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 27179, 135895, 190253, 462043, 679475, 951265, 2310215, 3234301, 4756325, 11551075, 16171505, 80857525]

約数ペア:

[(1, 80857525), (5, 16171505), (7, 11551075), (17, 4756325), (25, 3234301), (35, 2310215), (85, 951265), (119, 679475), (175, 462043), (425, 190253), (595, 135895), (2975, 27179)]