12563020

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1399}}^1$

素因数の和:1857

約数の個数: 24

約数和(自身を含む): 26460000

約数和(自身を除く): 13896980

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1399, 1796, 2245, 2798, 4490, 5596, 6995, 8980, 13990, 27980, 628151, 1256302, 2512604, 3140755, 6281510, 12563020]

約数ペア:

[(1, 12563020), (2, 6281510), (4, 3140755), (5, 2512604), (10, 1256302), (20, 628151), (449, 27980), (898, 13990), (1399, 8980), (1796, 6995), (2245, 5596), (2798, 4490)]