26507290

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6481}}^1$

素因数の和:6897

約数の個数: 16

約数和(自身を含む): 47837160

約数和(自身を除く): 21329870

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 6481, 12962, 32405, 64810, 2650729, 5301458, 13253645, 26507290]

約数ペア:

[(1, 26507290), (2, 13253645), (5, 5301458), (10, 2650729), (409, 64810), (818, 32405), (2045, 12962), (4090, 6481)]