2447420

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 5208000

約数和(自身を除く): 2760580

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1549, 1580, 3098, 6196, 7745, 15490, 30980, 122371, 244742, 489484, 611855, 1223710, 2447420]

約数ペア:

[(1, 2447420), (2, 1223710), (4, 611855), (5, 489484), (10, 244742), (20, 122371), (79, 30980), (158, 15490), (316, 7745), (395, 6196), (790, 3098), (1549, 1580)]