31633180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20021}}^1$

素因数の和:20109

約数の個数: 24

約数和(自身を含む): 67273920

約数和(自身を除く): 35640740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 20021, 40042, 80084, 100105, 200210, 400420, 1581659, 3163318, 6326636, 7908295, 15816590, 31633180]

約数ペア:

[(1, 31633180), (2, 15816590), (4, 7908295), (5, 6326636), (10, 3163318), (20, 1581659), (79, 400420), (158, 200210), (316, 100105), (395, 80084), (790, 40042), (1580, 20021)]