7992560

素因数分解:

$2^4\times 5^1\times {\mathrm{99907}}^1$

素因数の和:99920

約数の個数: 20

約数和(自身を含む): 18582888

約数和(自身を除く): 10590328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99907, 199814, 399628, 499535, 799256, 999070, 1598512, 1998140, 3996280, 7992560]

約数ペア:

[(1, 7992560), (2, 3996280), (4, 1998140), (5, 1598512), (8, 999070), (10, 799256), (16, 499535), (20, 399628), (40, 199814), (80, 99907)]