55440760

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{32233}}^1$

素因数の和:32287

約数の個数: 32

約数和(自身を含む): 127646640

約数和(自身を除く): 72205880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 32233, 64466, 128932, 161165, 257864, 322330, 644660, 1289320, 1386019, 2772038, 5544076, 6930095, 11088152, 13860190, 27720380, 55440760]

約数ペア:

[(1, 55440760), (2, 27720380), (4, 13860190), (5, 11088152), (8, 6930095), (10, 5544076), (20, 2772038), (40, 1386019), (43, 1289320), (86, 644660), (172, 322330), (215, 257864), (344, 161165), (430, 128932), (860, 64466), (1720, 32233)]