42086420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15139}}^1$

素因数の和:15287

約数の個数: 24

約数和(自身を含む): 89023200

約数和(自身を除く): 46936780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 15139, 30278, 60556, 75695, 151390, 302780, 2104321, 4208642, 8417284, 10521605, 21043210, 42086420]

約数ペア:

[(1, 42086420), (2, 21043210), (4, 10521605), (5, 8417284), (10, 4208642), (20, 2104321), (139, 302780), (278, 151390), (556, 75695), (695, 60556), (1390, 30278), (2780, 15139)]