189620920

素因数分解:

$2^3\times 5^1\times {\mathrm{4740523}}^1$

素因数の和:4740534

約数の個数: 16

約数和(自身を含む): 426647160

約数和(自身を除く): 237026240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4740523, 9481046, 18962092, 23702615, 37924184, 47405230, 94810460, 189620920]

約数ペア:

[(1, 189620920), (2, 94810460), (4, 47405230), (5, 37924184), (8, 23702615), (10, 18962092), (20, 9481046), (40, 4740523)]