42451508740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21882221}}^1$

素因数の和:21882327

約数の個数: 24

約数和(自身を含む): 90067225752

約数和(自身を除く): 47615717012

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 21882221, 43764442, 87528884, 109411105, 218822210, 437644420, 2122575437, 4245150874, 8490301748, 10612877185, 21225754370, 42451508740]

約数ペア:

[(1, 42451508740), (2, 21225754370), (4, 10612877185), (5, 8490301748), (10, 4245150874), (20, 2122575437), (97, 437644420), (194, 218822210), (388, 109411105), (485, 87528884), (970, 43764442), (1940, 21882221)]