12718580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{90847}}^1$

素因数の和:90863

約数の個数: 24

約数和(自身を含む): 30524928

約数和(自身を除く): 17806348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 90847, 181694, 363388, 454235, 635929, 908470, 1271858, 1816940, 2543716, 3179645, 6359290, 12718580]

約数ペア:

[(1, 12718580), (2, 6359290), (4, 3179645), (5, 2543716), (7, 1816940), (10, 1271858), (14, 908470), (20, 635929), (28, 454235), (35, 363388), (70, 181694), (140, 90847)]