1996040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 4536000

約数和(自身を除く): 2539960

約数列:

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

約数ペア:

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