12351498980

素因数分解:

$2^2\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{400243}}^1$

素因数の和:401795

約数の個数: 24

約数和(自身を含む): 25955022912

約数和(自身を除く): 13603523932

約数列:

[1, 2, 4, 5, 10, 20, 1543, 3086, 6172, 7715, 15430, 30860, 400243, 800486, 1600972, 2001215, 4002430, 8004860, 617574949, 1235149898, 2470299796, 3087874745, 6175749490, 12351498980]

約数ペア:

[(1, 12351498980), (2, 6175749490), (4, 3087874745), (5, 2470299796), (10, 1235149898), (20, 617574949), (1543, 8004860), (3086, 4002430), (6172, 2001215), (7715, 1600972), (15430, 800486), (30860, 400243)]