99407540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{51241}}^1$

素因数の和:51347

約数の個数: 24

約数和(自身を含む): 210912072

約数和(自身を除く): 111504532

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 51241, 102482, 204964, 256205, 512410, 1024820, 4970377, 9940754, 19881508, 24851885, 49703770, 99407540]

約数ペア:

[(1, 99407540), (2, 49703770), (4, 24851885), (5, 19881508), (10, 9940754), (20, 4970377), (97, 1024820), (194, 512410), (388, 256205), (485, 204964), (970, 102482), (1940, 51241)]