9916240

素因数分解:

$2^4\times 5^1\times {\mathrm{123953}}^1$

素因数の和:123966

約数の個数: 20

約数和(自身を含む): 23055444

約数和(自身を除く): 13139204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123953, 247906, 495812, 619765, 991624, 1239530, 1983248, 2479060, 4958120, 9916240]

約数ペア:

[(1, 9916240), (2, 4958120), (4, 2479060), (5, 1983248), (8, 1239530), (10, 991624), (16, 619765), (20, 495812), (40, 247906), (80, 123953)]