12715220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90823}}^1$

素因数の和:90839

約数の個数: 24

約数和(自身を含む): 30516864

約数和(自身を除く): 17801644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90823, 181646, 363292, 454115, 635761, 908230, 1271522, 1816460, 2543044, 3178805, 6357610, 12715220]

約数ペア:

[(1, 12715220), (2, 6357610), (4, 3178805), (5, 2543044), (7, 1816460), (10, 1271522), (14, 908230), (20, 635761), (28, 454115), (35, 363292), (70, 181646), (140, 90823)]