681850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1049}}^1$

素因数の和:1074

約数の個数: 24

約数和(自身を含む): 1367100

約数和(自身を除く): 685250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1049, 2098, 5245, 10490, 13637, 26225, 27274, 52450, 68185, 136370, 340925, 681850]

約数ペア:

[(1, 681850), (2, 340925), (5, 136370), (10, 68185), (13, 52450), (25, 27274), (26, 26225), (50, 13637), (65, 10490), (130, 5245), (325, 2098), (650, 1049)]