8538040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{30493}}^1$

素因数の和:30511

約数の個数: 32

約数和(自身を含む): 21955680

約数和(自身を除く): 13417640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 30493, 60986, 121972, 152465, 213451, 243944, 304930, 426902, 609860, 853804, 1067255, 1219720, 1707608, 2134510, 4269020, 8538040]

約数ペア:

[(1, 8538040), (2, 4269020), (4, 2134510), (5, 1707608), (7, 1219720), (8, 1067255), (10, 853804), (14, 609860), (20, 426902), (28, 304930), (35, 243944), (40, 213451), (56, 152465), (70, 121972), (140, 60986), (280, 30493)]