8165082020

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1782769}}^1$

素因数の和:1783007

約数の個数: 24

約数和(自身を含む): 17221558200

約数和(自身を除く): 9056476180

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 1782769, 3565538, 7131076, 8913845, 17827690, 35655380, 408254101, 816508202, 1633016404, 2041270505, 4082541010, 8165082020]

約数ペア:

[(1, 8165082020), (2, 4082541010), (4, 2041270505), (5, 1633016404), (10, 816508202), (20, 408254101), (229, 35655380), (458, 17827690), (916, 8913845), (1145, 7131076), (2290, 3565538), (4580, 1782769)]