627260

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{397}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 1337280

約数和(自身を除く): 710020

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 397, 790, 794, 1580, 1588, 1985, 3970, 7940, 31363, 62726, 125452, 156815, 313630, 627260]

約数ペア:

[(1, 627260), (2, 313630), (4, 156815), (5, 125452), (10, 62726), (20, 31363), (79, 7940), (158, 3970), (316, 1985), (395, 1588), (397, 1580), (790, 794)]