47988020

素因数分解:

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

素因数の和:3107

約数の個数: 18

約数和(自身を含む): 100839942

約数和(自身を除く): 52851922

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 7745, 15490, 30980, 2399401, 4798802, 9597604, 11997005, 23994010, 47988020]

約数ペア:

[(1, 47988020), (2, 23994010), (4, 11997005), (5, 9597604), (10, 4798802), (20, 2399401), (1549, 30980), (3098, 15490), (6196, 7745)]