7761940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4001}}^1$

素因数の和:4107

約数の個数: 24

約数和(自身を含む): 16472232

約数和(自身を除く): 8710292

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 4001, 8002, 16004, 20005, 40010, 80020, 388097, 776194, 1552388, 1940485, 3880970, 7761940]

約数ペア:

[(1, 7761940), (2, 3880970), (4, 1940485), (5, 1552388), (10, 776194), (20, 388097), (97, 80020), (194, 40010), (388, 20005), (485, 16004), (970, 8002), (1940, 4001)]