16129840

素因数分解:

$2^4\times 5^1\times {\mathrm{201623}}^1$

素因数の和:201636

約数の個数: 20

約数和(自身を含む): 37502064

約数和(自身を除く): 21372224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 201623, 403246, 806492, 1008115, 1612984, 2016230, 3225968, 4032460, 8064920, 16129840]

約数ペア:

[(1, 16129840), (2, 8064920), (4, 4032460), (5, 3225968), (8, 2016230), (10, 1612984), (16, 1008115), (20, 806492), (40, 403246), (80, 201623)]