401860040

素因数分解:

$2^3\times 5^1\times {\mathrm{10046501}}^1$

素因数の和:10046512

約数の個数: 16

約数和(自身を含む): 904185180

約数和(自身を除く): 502325140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 10046501, 20093002, 40186004, 50232505, 80372008, 100465010, 200930020, 401860040]

約数ペア:

[(1, 401860040), (2, 200930020), (4, 100465010), (5, 80372008), (8, 50232505), (10, 40186004), (20, 20093002), (40, 10046501)]