28810940

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14851}}^1$

素因数の和:14957

約数の個数: 24

約数和(自身を含む): 61130832

約数和(自身を除く): 32319892

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14851, 29702, 59404, 74255, 148510, 297020, 1440547, 2881094, 5762188, 7202735, 14405470, 28810940]

約数ペア:

[(1, 28810940), (2, 14405470), (4, 7202735), (5, 5762188), (10, 2881094), (20, 1440547), (97, 297020), (194, 148510), (388, 74255), (485, 59404), (970, 29702), (1940, 14851)]