26648420

素因数分解:

$2^2\times 5^1\times {\mathrm{1332421}}^1$

素因数の和:1332430

約数の個数: 12

約数和(自身を含む): 55961724

約数和(自身を除く): 29313304

約数列:

[1, 2, 4, 5, 10, 20, 1332421, 2664842, 5329684, 6662105, 13324210, 26648420]

約数ペア:

[(1, 26648420), (2, 13324210), (4, 6662105), (5, 5329684), (10, 2664842), (20, 1332421)]