144016720

素因数分解:

$2^4\times 5^1\times {\mathrm{1800209}}^1$

素因数の和:1800222

約数の個数: 20

約数和(自身を含む): 334839060

約数和(自身を除く): 190822340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1800209, 3600418, 7200836, 9001045, 14401672, 18002090, 28803344, 36004180, 72008360, 144016720]

約数ペア:

[(1, 144016720), (2, 72008360), (4, 36004180), (5, 28803344), (8, 18002090), (10, 14401672), (16, 9001045), (20, 7200836), (40, 3600418), (80, 1800209)]