12665920

素因数分解:

$2^6\times 5^1\times {\mathrm{39581}}^1$

素因数の和:39598

約数の個数: 28

約数和(自身を含む): 30161484

約数和(自身を除く): 17495564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39581, 79162, 158324, 197905, 316648, 395810, 633296, 791620, 1266592, 1583240, 2533184, 3166480, 6332960, 12665920]

約数ペア:

[(1, 12665920), (2, 6332960), (4, 3166480), (5, 2533184), (8, 1583240), (10, 1266592), (16, 791620), (20, 633296), (32, 395810), (40, 316648), (64, 197905), (80, 158324), (160, 79162), (320, 39581)]