87534740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{45121}}^1$

素因数の和:45227

約数の個数: 24

約数和(自身を含む): 185722152

約数和(自身を除く): 98187412

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 45121, 90242, 180484, 225605, 451210, 902420, 4376737, 8753474, 17506948, 21883685, 43767370, 87534740]

約数ペア:

[(1, 87534740), (2, 43767370), (4, 21883685), (5, 17506948), (10, 8753474), (20, 4376737), (97, 902420), (194, 451210), (388, 225605), (485, 180484), (970, 90242), (1940, 45121)]