38397980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{7649}}^1$

素因数の和:7909

約数の個数: 24

約数和(自身を含む): 80967600

約数和(自身を除く): 42569620

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 7649, 15298, 30596, 38245, 76490, 152980, 1919899, 3839798, 7679596, 9599495, 19198990, 38397980]

約数ペア:

[(1, 38397980), (2, 19198990), (4, 9599495), (5, 7679596), (10, 3839798), (20, 1919899), (251, 152980), (502, 76490), (1004, 38245), (1255, 30596), (2510, 15298), (5020, 7649)]