53971880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31379}}^1$

素因数の和:31433

約数の個数: 32

約数和(自身を含む): 124264800

約数和(自身を除く): 70292920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 31379, 62758, 125516, 156895, 251032, 313790, 627580, 1255160, 1349297, 2698594, 5397188, 6746485, 10794376, 13492970, 26985940, 53971880]

約数ペア:

[(1, 53971880), (2, 26985940), (4, 13492970), (5, 10794376), (8, 6746485), (10, 5397188), (20, 2698594), (40, 1349297), (43, 1255160), (86, 627580), (172, 313790), (215, 251032), (344, 156895), (430, 125516), (860, 62758), (1720, 31379)]