2948080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{857}}^1$

素因数の和:913

約数の個数: 40

約数和(自身を含む): 7021872

約数和(自身を除く): 4073792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 857, 860, 1714, 1720, 3428, 3440, 4285, 6856, 8570, 13712, 17140, 34280, 36851, 68560, 73702, 147404, 184255, 294808, 368510, 589616, 737020, 1474040, 2948080]

約数ペア:

[(1, 2948080), (2, 1474040), (4, 737020), (5, 589616), (8, 368510), (10, 294808), (16, 184255), (20, 147404), (40, 73702), (43, 68560), (80, 36851), (86, 34280), (172, 17140), (215, 13712), (344, 8570), (430, 6856), (688, 4285), (857, 3440), (860, 3428), (1714, 1720)]