12776420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15581}}^1$

素因数の和:15631

約数の個数: 24

約数和(自身を含む): 27486648

約数和(自身を除く): 14710228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15581, 31162, 62324, 77905, 155810, 311620, 638821, 1277642, 2555284, 3194105, 6388210, 12776420]

約数ペア:

[(1, 12776420), (2, 6388210), (4, 3194105), (5, 2555284), (10, 1277642), (20, 638821), (41, 311620), (82, 155810), (164, 77905), (205, 62324), (410, 31162), (820, 15581)]