105642640

素因数分解:

$2^4\times 5^1\times {\mathrm{1320533}}^1$

素因数の和:1320546

約数の個数: 20

約数和(自身を含む): 245619324

約数和(自身を除く): 139976684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1320533, 2641066, 5282132, 6602665, 10564264, 13205330, 21128528, 26410660, 52821320, 105642640]

約数ペア:

[(1, 105642640), (2, 52821320), (4, 26410660), (5, 21128528), (8, 13205330), (10, 10564264), (16, 6602665), (20, 5282132), (40, 2641066), (80, 1320533)]