123698320

素因数分解:

$2^4\times 5^1\times {\mathrm{1546229}}^1$

素因数の和:1546242

約数の個数: 20

約数和(自身を含む): 287598780

約数和(自身を除く): 163900460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1546229, 3092458, 6184916, 7731145, 12369832, 15462290, 24739664, 30924580, 61849160, 123698320]

約数ペア:

[(1, 123698320), (2, 61849160), (4, 30924580), (5, 24739664), (8, 15462290), (10, 12369832), (16, 7731145), (20, 6184916), (40, 3092458), (80, 1546229)]