80744740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{41621}}^1$

素因数の和:41727

約数の個数: 24

約数和(自身を含む): 171316152

約数和(自身を除く): 90571412

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 41621, 83242, 166484, 208105, 416210, 832420, 4037237, 8074474, 16148948, 20186185, 40372370, 80744740]

約数ペア:

[(1, 80744740), (2, 40372370), (4, 20186185), (5, 16148948), (10, 8074474), (20, 4037237), (97, 832420), (194, 416210), (388, 208105), (485, 166484), (970, 83242), (1940, 41621)]