81620710

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{54779}}^1$

素因数の和:54935

約数の個数: 16

約数和(自身を含む): 147906000

約数和(自身を除く): 66285290

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 54779, 109558, 273895, 547790, 8162071, 16324142, 40810355, 81620710]

約数ペア:

[(1, 81620710), (2, 40810355), (5, 16324142), (10, 8162071), (149, 547790), (298, 273895), (745, 109558), (1490, 54779)]