6628840

素因数分解:

$2^3\times 5^1\times {\mathrm{165721}}^1$

素因数の和:165732

約数の個数: 16

約数和(自身を含む): 14914980

約数和(自身を除く): 8286140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 165721, 331442, 662884, 828605, 1325768, 1657210, 3314420, 6628840]

約数ペア:

[(1, 6628840), (2, 3314420), (4, 1657210), (5, 1325768), (8, 828605), (10, 662884), (20, 331442), (40, 165721)]