2912551820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1111661}}^1$

素因数の和:1111801

約数の個数: 24

約数和(自身を含む): 6163054128

約数和(自身を除く): 3250502308

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 1111661, 2223322, 4446644, 5558305, 11116610, 22233220, 145627591, 291255182, 582510364, 728137955, 1456275910, 2912551820]

約数ペア:

[(1, 2912551820), (2, 1456275910), (4, 728137955), (5, 582510364), (10, 291255182), (20, 145627591), (131, 22233220), (262, 11116610), (524, 5558305), (655, 4446644), (1310, 2223322), (2620, 1111661)]