79685140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97177}}^1$

素因数の和:97227

約数の個数: 24

約数和(自身を含む): 171421992

約数和(自身を除く): 91736852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 97177, 194354, 388708, 485885, 971770, 1943540, 3984257, 7968514, 15937028, 19921285, 39842570, 79685140]

約数ペア:

[(1, 79685140), (2, 39842570), (4, 19921285), (5, 15937028), (10, 7968514), (20, 3984257), (41, 1943540), (82, 971770), (164, 485885), (205, 388708), (410, 194354), (820, 97177)]