51242020

素因数分解:

$2^2\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{1723}}^1$

素因数の和:3219

約数の個数: 24

約数和(自身を含む): 107743104

約数和(自身を除く): 56501084

約数列:

[1, 2, 4, 5, 10, 20, 1487, 1723, 2974, 3446, 5948, 6892, 7435, 8615, 14870, 17230, 29740, 34460, 2562101, 5124202, 10248404, 12810505, 25621010, 51242020]

約数ペア:

[(1, 51242020), (2, 25621010), (4, 12810505), (5, 10248404), (10, 5124202), (20, 2562101), (1487, 34460), (1723, 29740), (2974, 17230), (3446, 14870), (5948, 8615), (6892, 7435)]