61410640

素因数分解:

$2^4\times 5^1\times {\mathrm{767633}}^1$

素因数の和:767646

約数の個数: 20

約数和(自身を含む): 142779924

約数和(自身を除く): 81369284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 767633, 1535266, 3070532, 3838165, 6141064, 7676330, 12282128, 15352660, 30705320, 61410640]

約数ペア:

[(1, 61410640), (2, 30705320), (4, 15352660), (5, 12282128), (8, 7676330), (10, 6141064), (16, 3838165), (20, 3070532), (40, 1535266), (80, 767633)]