55198100

素因数分解:

$2^2\times 5^2\times {\mathrm{551981}}^1$

素因数の和:551995

約数の個数: 18

約数和(自身を含む): 119780094

約数和(自身を除く): 64581994

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 551981, 1103962, 2207924, 2759905, 5519810, 11039620, 13799525, 27599050, 55198100]

約数ペア:

[(1, 55198100), (2, 27599050), (4, 13799525), (5, 11039620), (10, 5519810), (20, 2759905), (25, 2207924), (50, 1103962), (100, 551981)]