2056456420

素因数分解:

$2^2\times 5^1\times {\mathrm{4363}}^1\times {\mathrm{23567}}^1$

素因数の和:27939

約数の個数: 24

約数和(自身を含む): 4319731584

約数和(自身を除く): 2263275164

約数列:

[1, 2, 4, 5, 10, 20, 4363, 8726, 17452, 21815, 23567, 43630, 47134, 87260, 94268, 117835, 235670, 471340, 102822821, 205645642, 411291284, 514114105, 1028228210, 2056456420]

約数ペア:

[(1, 2056456420), (2, 1028228210), (4, 514114105), (5, 411291284), (10, 205645642), (20, 102822821), (4363, 471340), (8726, 235670), (17452, 117835), (21815, 94268), (23567, 87260), (43630, 47134)]