26240560

素因数分解:

$2^4\times 5^1\times {\mathrm{328007}}^1$

素因数の和:328020

約数の個数: 20

約数和(自身を含む): 61009488

約数和(自身を除く): 34768928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328007, 656014, 1312028, 1640035, 2624056, 3280070, 5248112, 6560140, 13120280, 26240560]

約数ペア:

[(1, 26240560), (2, 13120280), (4, 6560140), (5, 5248112), (8, 3280070), (10, 2624056), (16, 1640035), (20, 1312028), (40, 656014), (80, 328007)]