53507140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{27581}}^1$

素因数の和:27687

約数の個数: 24

約数和(自身を含む): 113527512

約数和(自身を除く): 60020372

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 27581, 55162, 110324, 137905, 275810, 551620, 2675357, 5350714, 10701428, 13376785, 26753570, 53507140]

約数ペア:

[(1, 53507140), (2, 26753570), (4, 13376785), (5, 10701428), (10, 5350714), (20, 2675357), (97, 551620), (194, 275810), (388, 137905), (485, 110324), (970, 55162), (1940, 27581)]