6421040

素因数分解:

$2^4\times 5^1\times {\mathrm{80263}}^1$

素因数の和:80276

約数の個数: 20

約数和(自身を含む): 14929104

約数和(自身を除く): 8508064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 80263, 160526, 321052, 401315, 642104, 802630, 1284208, 1605260, 3210520, 6421040]

約数ペア:

[(1, 6421040), (2, 3210520), (4, 1605260), (5, 1284208), (8, 802630), (10, 642104), (16, 401315), (20, 321052), (40, 160526), (80, 80263)]