7984160

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 19051200

約数和(自身を除く): 11067040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 359, 556, 695, 718, 1112, 1390, 1436, 1795, 2224, 2780, 2872, 3590, 4448, 5560, 5744, 7180, 11120, 11488, 14360, 22240, 28720, 49901, 57440, 99802, 199604, 249505, 399208, 499010, 798416, 998020, 1596832, 1996040, 3992080, 7984160]

約数ペア:

[(1, 7984160), (2, 3992080), (4, 1996040), (5, 1596832), (8, 998020), (10, 798416), (16, 499010), (20, 399208), (32, 249505), (40, 199604), (80, 99802), (139, 57440), (160, 49901), (278, 28720), (359, 22240), (556, 14360), (695, 11488), (718, 11120), (1112, 7180), (1390, 5744), (1436, 5560), (1795, 4448), (2224, 3590), (2780, 2872)]