6221720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 14137200

約数和(自身を除く): 7915480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1427, 2180, 2854, 4360, 5708, 7135, 11416, 14270, 28540, 57080, 155543, 311086, 622172, 777715, 1244344, 1555430, 3110860, 6221720]

約数ペア:

[(1, 6221720), (2, 3110860), (4, 1555430), (5, 1244344), (8, 777715), (10, 622172), (20, 311086), (40, 155543), (109, 57080), (218, 28540), (436, 14270), (545, 11416), (872, 7135), (1090, 5708), (1427, 4360), (2180, 2854)]