416120

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 954720

約数和(自身を除く): 538600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 103, 202, 206, 404, 412, 505, 515, 808, 824, 1010, 1030, 2020, 2060, 4040, 4120, 10403, 20806, 41612, 52015, 83224, 104030, 208060, 416120]

約数ペア:

[(1, 416120), (2, 208060), (4, 104030), (5, 83224), (8, 52015), (10, 41612), (20, 20806), (40, 10403), (101, 4120), (103, 4040), (202, 2060), (206, 2020), (404, 1030), (412, 1010), (505, 824), (515, 808)]