26238320

素因数分解:

$2^4\times 5^1\times {\mathrm{327979}}^1$

素因数の和:327992

約数の個数: 20

約数和(自身を含む): 61004280

約数和(自身を除く): 34765960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 327979, 655958, 1311916, 1639895, 2623832, 3279790, 5247664, 6559580, 13119160, 26238320]

約数ペア:

[(1, 26238320), (2, 13119160), (4, 6559580), (5, 5247664), (8, 3279790), (10, 2623832), (16, 1639895), (20, 1311916), (40, 655958), (80, 327979)]