2730486520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{675863}}^1$

素因数の和:675975

約数の個数: 32

約数和(自身を含む): 6204431520

約数和(自身を除く): 3473945000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 675863, 1351726, 2703452, 3379315, 5406904, 6758630, 13517260, 27034520, 68262163, 136524326, 273048652, 341310815, 546097304, 682621630, 1365243260, 2730486520]

約数ペア:

[(1, 2730486520), (2, 1365243260), (4, 682621630), (5, 546097304), (8, 341310815), (10, 273048652), (20, 136524326), (40, 68262163), (101, 27034520), (202, 13517260), (404, 6758630), (505, 5406904), (808, 3379315), (1010, 2703452), (2020, 1351726), (4040, 675863)]