28424180

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17123}}^1$

素因数の和:17215

約数の個数: 24

約数和(自身を含む): 60413472

約数和(自身を除く): 31989292

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 17123, 34246, 68492, 85615, 171230, 342460, 1421209, 2842418, 5684836, 7106045, 14212090, 28424180]

約数ペア:

[(1, 28424180), (2, 14212090), (4, 7106045), (5, 5684836), (10, 2842418), (20, 1421209), (83, 342460), (166, 171230), (332, 85615), (415, 68492), (830, 34246), (1660, 17123)]