98640820

素因数分解:

$2^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{6481}}^1$

素因数の和:7251

約数の個数: 24

約数和(自身を含む): 207449928

約数和(自身を除く): 108809108

約数列:

[1, 2, 4, 5, 10, 20, 761, 1522, 3044, 3805, 6481, 7610, 12962, 15220, 25924, 32405, 64810, 129620, 4932041, 9864082, 19728164, 24660205, 49320410, 98640820]

約数ペア:

[(1, 98640820), (2, 49320410), (4, 24660205), (5, 19728164), (10, 9864082), (20, 4932041), (761, 129620), (1522, 64810), (3044, 32405), (3805, 25924), (6481, 15220), (7610, 12962)]