31092080

素因数分解:

$2^4\times 5^1\times {\mathrm{388651}}^1$

素因数の和:388664

約数の個数: 20

約数和(自身を含む): 72289272

約数和(自身を除く): 41197192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 388651, 777302, 1554604, 1943255, 3109208, 3886510, 6218416, 7773020, 15546040, 31092080]

約数ペア:

[(1, 31092080), (2, 15546040), (4, 7773020), (5, 6218416), (8, 3886510), (10, 3109208), (16, 1943255), (20, 1554604), (40, 777302), (80, 388651)]