7992080

素因数分解:

$2^4\times 5^1\times {\mathrm{99901}}^1$

素因数の和:99914

約数の個数: 20

約数和(自身を含む): 18581772

約数和(自身を除く): 10589692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 99901, 199802, 399604, 499505, 799208, 999010, 1598416, 1998020, 3996040, 7992080]

約数ペア:

[(1, 7992080), (2, 3996040), (4, 1998020), (5, 1598416), (8, 999010), (10, 799208), (16, 499505), (20, 399604), (40, 199802), (80, 99901)]