2209880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 5030640

約数和(自身を除く): 2820760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 547, 808, 1010, 1094, 2020, 2188, 2735, 4040, 4376, 5470, 10940, 21880, 55247, 110494, 220988, 276235, 441976, 552470, 1104940, 2209880]

約数ペア:

[(1, 2209880), (2, 1104940), (4, 552470), (5, 441976), (8, 276235), (10, 220988), (20, 110494), (40, 55247), (101, 21880), (202, 10940), (404, 5470), (505, 4376), (547, 4040), (808, 2735), (1010, 2188), (1094, 2020)]