39665900

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5021}}^1$

素因数の和:5114

約数の個数: 36

約数和(自身を含む): 87181920

約数和(自身を除く): 47516020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3950, 5021, 7900, 10042, 20084, 25105, 50210, 100420, 125525, 251050, 396659, 502100, 793318, 1586636, 1983295, 3966590, 7933180, 9916475, 19832950, 39665900]

約数ペア:

[(1, 39665900), (2, 19832950), (4, 9916475), (5, 7933180), (10, 3966590), (20, 1983295), (25, 1586636), (50, 793318), (79, 502100), (100, 396659), (158, 251050), (316, 125525), (395, 100420), (790, 50210), (1580, 25105), (1975, 20084), (3950, 10042), (5021, 7900)]