8322400

素因数分解:

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

素因数の和:224

約数の個数: 72

約数和(自身を含む): 20717424

約数和(自身を除く): 12395024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 103, 160, 200, 202, 206, 400, 404, 412, 505, 515, 800, 808, 824, 1010, 1030, 1616, 1648, 2020, 2060, 2525, 2575, 3232, 3296, 4040, 4120, 5050, 5150, 8080, 8240, 10100, 10300, 10403, 16160, 16480, 20200, 20600, 20806, 40400, 41200, 41612, 52015, 80800, 82400, 83224, 104030, 166448, 208060, 260075, 332896, 416120, 520150, 832240, 1040300, 1664480, 2080600, 4161200, 8322400]

約数ペア:

[(1, 8322400), (2, 4161200), (4, 2080600), (5, 1664480), (8, 1040300), (10, 832240), (16, 520150), (20, 416120), (25, 332896), (32, 260075), (40, 208060), (50, 166448), (80, 104030), (100, 83224), (101, 82400), (103, 80800), (160, 52015), (200, 41612), (202, 41200), (206, 40400), (400, 20806), (404, 20600), (412, 20200), (505, 16480), (515, 16160), (800, 10403), (808, 10300), (824, 10100), (1010, 8240), (1030, 8080), (1616, 5150), (1648, 5050), (2020, 4120), (2060, 4040), (2525, 3296), (2575, 3232)]