49728020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{25633}}^1$

素因数の和:25739

約数の個数: 24

約数和(自身を含む): 105509544

約数和(自身を除く): 55781524

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 25633, 51266, 102532, 128165, 256330, 512660, 2486401, 4972802, 9945604, 12432005, 24864010, 49728020]

約数ペア:

[(1, 49728020), (2, 24864010), (4, 12432005), (5, 9945604), (10, 4972802), (20, 2486401), (97, 512660), (194, 256330), (388, 128165), (485, 102532), (970, 51266), (1940, 25633)]