800980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 1741320

約数和(自身を除く): 940340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1381, 2762, 5524, 6905, 13810, 27620, 40049, 80098, 160196, 200245, 400490, 800980]

約数ペア:

[(1, 800980), (2, 400490), (4, 200245), (5, 160196), (10, 80098), (20, 40049), (29, 27620), (58, 13810), (116, 6905), (145, 5524), (290, 2762), (580, 1381)]