1981850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3049}}^1$

素因数の和:3074

約数の個数: 24

約数和(自身を含む): 3971100

約数和(自身を除く): 1989250

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 3049, 6098, 15245, 30490, 39637, 76225, 79274, 152450, 198185, 396370, 990925, 1981850]

約数ペア:

[(1, 1981850), (2, 990925), (5, 396370), (10, 198185), (13, 152450), (25, 79274), (26, 76225), (50, 39637), (65, 30490), (130, 15245), (325, 6098), (650, 3049)]