15625020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{260417}}^1$

素因数の和:260429

約数の個数: 24

約数和(自身を含む): 43750224

約数和(自身を除く): 28125204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 260417, 520834, 781251, 1041668, 1302085, 1562502, 2604170, 3125004, 3906255, 5208340, 7812510, 15625020]

約数ペア:

[(1, 15625020), (2, 7812510), (3, 5208340), (4, 3906255), (5, 3125004), (6, 2604170), (10, 1562502), (12, 1302085), (15, 1041668), (20, 781251), (30, 520834), (60, 260417)]