1664480

素因数分解:

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

素因数の和:219

約数の個数: 48

約数和(自身を含む): 4009824

約数和(自身を除く): 2345344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 103, 160, 202, 206, 404, 412, 505, 515, 808, 824, 1010, 1030, 1616, 1648, 2020, 2060, 3232, 3296, 4040, 4120, 8080, 8240, 10403, 16160, 16480, 20806, 41612, 52015, 83224, 104030, 166448, 208060, 332896, 416120, 832240, 1664480]

約数ペア:

[(1, 1664480), (2, 832240), (4, 416120), (5, 332896), (8, 208060), (10, 166448), (16, 104030), (20, 83224), (32, 52015), (40, 41612), (80, 20806), (101, 16480), (103, 16160), (160, 10403), (202, 8240), (206, 8080), (404, 4120), (412, 4040), (505, 3296), (515, 3232), (808, 2060), (824, 2020), (1010, 1648), (1030, 1616)]