826250

素因数分解:

$2^1\times 5^4\times {\mathrm{661}}^1$

素因数の和:683

約数の個数: 20

約数和(自身を含む): 1551066

約数和(自身を除く): 724816

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 661, 1250, 1322, 3305, 6610, 16525, 33050, 82625, 165250, 413125, 826250]

約数ペア:

[(1, 826250), (2, 413125), (5, 165250), (10, 82625), (25, 33050), (50, 16525), (125, 6610), (250, 3305), (625, 1322), (661, 1250)]