15241840

素因数分解:

$2^4\times 5^1\times {\mathrm{190523}}^1$

素因数の和:190536

約数の個数: 20

約数和(自身を含む): 35437464

約数和(自身を除く): 20195624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 190523, 381046, 762092, 952615, 1524184, 1905230, 3048368, 3810460, 7620920, 15241840]

約数ペア:

[(1, 15241840), (2, 7620920), (4, 3810460), (5, 3048368), (8, 1905230), (10, 1524184), (16, 952615), (20, 762092), (40, 381046), (80, 190523)]