26656780

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{3181}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 56130480

約数和(自身を除く): 29473700

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 3181, 4190, 6362, 8380, 12724, 15905, 31810, 63620, 1332839, 2665678, 5331356, 6664195, 13328390, 26656780]

約数ペア:

[(1, 26656780), (2, 13328390), (4, 6664195), (5, 5331356), (10, 2665678), (20, 1332839), (419, 63620), (838, 31810), (1676, 15905), (2095, 12724), (3181, 8380), (4190, 6362)]