12388765

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 15353856

約数和(自身を除く): 2965091

約数列:

[1, 5, 41, 205, 223, 271, 1115, 1355, 9143, 11111, 45715, 55555, 60433, 302165, 2477753, 12388765]

約数ペア:

[(1, 12388765), (5, 2477753), (41, 302165), (205, 60433), (223, 55555), (271, 45715), (1115, 11111), (1355, 9143)]