9878320

素因数分解:

$2^4\times 5^1\times {\mathrm{123479}}^1$

素因数の和:123492

約数の個数: 20

約数和(自身を含む): 22967280

約数和(自身を除く): 13088960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123479, 246958, 493916, 617395, 987832, 1234790, 1975664, 2469580, 4939160, 9878320]

約数ペア:

[(1, 9878320), (2, 4939160), (4, 2469580), (5, 1975664), (8, 1234790), (10, 987832), (16, 617395), (20, 493916), (40, 246958), (80, 123479)]