284720

素因数分解:

$2^4\times 5^1\times {\mathrm{3559}}^1$

素因数の和:3572

約数の個数: 20

約数和(自身を含む): 662160

約数和(自身を除く): 377440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3559, 7118, 14236, 17795, 28472, 35590, 56944, 71180, 142360, 284720]

約数ペア:

[(1, 284720), (2, 142360), (4, 71180), (5, 56944), (8, 35590), (10, 28472), (16, 17795), (20, 14236), (40, 7118), (80, 3559)]