795880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 1817640

約数和(自身を除く): 1021760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 197, 202, 394, 404, 505, 788, 808, 985, 1010, 1576, 1970, 2020, 3940, 4040, 7880, 19897, 39794, 79588, 99485, 159176, 198970, 397940, 795880]

約数ペア:

[(1, 795880), (2, 397940), (4, 198970), (5, 159176), (8, 99485), (10, 79588), (20, 39794), (40, 19897), (101, 7880), (197, 4040), (202, 3940), (394, 2020), (404, 1970), (505, 1576), (788, 1010), (808, 985)]