85727420

素因数分解:

$2^2\times 5^1\times {\mathrm{1831}}^1\times {\mathrm{2341}}^1$

素因数の和:4181

約数の個数: 24

約数和(自身を含む): 180202848

約数和(自身を除く): 94475428

約数列:

[1, 2, 4, 5, 10, 20, 1831, 2341, 3662, 4682, 7324, 9155, 9364, 11705, 18310, 23410, 36620, 46820, 4286371, 8572742, 17145484, 21431855, 42863710, 85727420]

約数ペア:

[(1, 85727420), (2, 42863710), (4, 21431855), (5, 17145484), (10, 8572742), (20, 4286371), (1831, 46820), (2341, 36620), (3662, 23410), (4682, 18310), (7324, 11705), (9155, 9364)]