3992080

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 9374400

約数和(自身を除く): 5382320

約数列:

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

約数ペア:

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