12390260

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3581}}^1$

素因数の和:3763

約数の個数: 24

約数和(自身を含む): 26177256

約数和(自身を除く): 13786996

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 3581, 7162, 14324, 17905, 35810, 71620, 619513, 1239026, 2478052, 3097565, 6195130, 12390260]

約数ペア:

[(1, 12390260), (2, 6195130), (4, 3097565), (5, 2478052), (10, 1239026), (20, 619513), (173, 71620), (346, 35810), (692, 17905), (865, 14324), (1730, 7162), (3460, 3581)]