12922820

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8179}}^1$

素因数の和:8267

約数の個数: 24

約数和(自身を含む): 27484800

約数和(自身を除く): 14561980

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 8179, 16358, 32716, 40895, 81790, 163580, 646141, 1292282, 2584564, 3230705, 6461410, 12922820]

約数ペア:

[(1, 12922820), (2, 6461410), (4, 3230705), (5, 2584564), (10, 1292282), (20, 646141), (79, 163580), (158, 81790), (316, 40895), (395, 32716), (790, 16358), (1580, 8179)]