81255250

素因数分解:

$2^1\times 5^3\times {\mathrm{325021}}^1$

素因数の和:325038

約数の個数: 16

約数和(自身を含む): 152110296

約数和(自身を除く): 70855046

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 325021, 650042, 1625105, 3250210, 8125525, 16251050, 40627625, 81255250]

約数ペア:

[(1, 81255250), (2, 40627625), (5, 16251050), (10, 8125525), (25, 3250210), (50, 1625105), (125, 650042), (250, 325021)]