168779080

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{41777}}^1$

素因数の和:41889

約数の個数: 32

約数和(自身を含む): 383522040

約数和(自身を除く): 214742960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 41777, 83554, 167108, 208885, 334216, 417770, 835540, 1671080, 4219477, 8438954, 16877908, 21097385, 33755816, 42194770, 84389540, 168779080]

約数ペア:

[(1, 168779080), (2, 84389540), (4, 42194770), (5, 33755816), (8, 21097385), (10, 16877908), (20, 8438954), (40, 4219477), (101, 1671080), (202, 835540), (404, 417770), (505, 334216), (808, 208885), (1010, 167108), (2020, 83554), (4040, 41777)]