3966702980

素因数分解:

$2^2\times 5^1\times {\mathrm{198335149}}^1$

素因数の和:198335158

約数の個数: 12

約数和(自身を含む): 8330076300

約数和(自身を除く): 4363373320

約数列:

[1, 2, 4, 5, 10, 20, 198335149, 396670298, 793340596, 991675745, 1983351490, 3966702980]

約数ペア:

[(1, 3966702980), (2, 1983351490), (4, 991675745), (5, 793340596), (10, 396670298), (20, 198335149)]