2238160

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 5274216

約数和(自身を除く): 3036056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 277, 404, 505, 554, 808, 1010, 1108, 1385, 1616, 2020, 2216, 2770, 4040, 4432, 5540, 8080, 11080, 22160, 27977, 55954, 111908, 139885, 223816, 279770, 447632, 559540, 1119080, 2238160]

約数ペア:

[(1, 2238160), (2, 1119080), (4, 559540), (5, 447632), (8, 279770), (10, 223816), (16, 139885), (20, 111908), (40, 55954), (80, 27977), (101, 22160), (202, 11080), (277, 8080), (404, 5540), (505, 4432), (554, 4040), (808, 2770), (1010, 2216), (1108, 2020), (1385, 1616)]