165003760

素因数分解:

$2^4\times 5^1\times {\mathrm{2062547}}^1$

素因数の和:2062560

約数の個数: 20

約数和(自身を含む): 383633928

約数和(自身を除く): 218630168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2062547, 4125094, 8250188, 10312735, 16500376, 20625470, 33000752, 41250940, 82501880, 165003760]

約数ペア:

[(1, 165003760), (2, 82501880), (4, 41250940), (5, 33000752), (8, 20625470), (10, 16500376), (16, 10312735), (20, 8250188), (40, 4125094), (80, 2062547)]