816589040

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{101063}}^1$

素因数の和:101177

約数の個数: 40

約数和(自身を含む): 1917386208

約数和(自身を除く): 1100797168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 101063, 202126, 404252, 505315, 808504, 1010630, 1617008, 2021260, 4042520, 8085040, 10207363, 20414726, 40829452, 51036815, 81658904, 102073630, 163317808, 204147260, 408294520, 816589040]

約数ペア:

[(1, 816589040), (2, 408294520), (4, 204147260), (5, 163317808), (8, 102073630), (10, 81658904), (16, 51036815), (20, 40829452), (40, 20414726), (80, 10207363), (101, 8085040), (202, 4042520), (404, 2021260), (505, 1617008), (808, 1010630), (1010, 808504), (1616, 505315), (2020, 404252), (4040, 202126), (8080, 101063)]