2039876990

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{655909}}^1$

素因数の和:656227

約数の個数: 16

約数和(自身を含む): 3683590560

約数和(自身を除く): 1643713570

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 655909, 1311818, 3279545, 6559090, 203987699, 407975398, 1019938495, 2039876990]

約数ペア:

[(1, 2039876990), (2, 1019938495), (5, 407975398), (10, 203987699), (311, 6559090), (622, 3279545), (1555, 1311818), (3110, 655909)]