123474320

素因数分解:

$2^4\times 5^1\times {\mathrm{1543429}}^1$

素因数の和:1543442

約数の個数: 20

約数和(自身を含む): 287077980

約数和(自身を除く): 163603660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1543429, 3086858, 6173716, 7717145, 12347432, 15434290, 24694864, 30868580, 61737160, 123474320]

約数ペア:

[(1, 123474320), (2, 61737160), (4, 30868580), (5, 24694864), (8, 15434290), (10, 12347432), (16, 7717145), (20, 6173716), (40, 3086858), (80, 1543429)]