8078680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1453}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 18320400

約数和(自身を除く): 10241720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1453, 2780, 2906, 5560, 5812, 7265, 11624, 14530, 29060, 58120, 201967, 403934, 807868, 1009835, 1615736, 2019670, 4039340, 8078680]

約数ペア:

[(1, 8078680), (2, 4039340), (4, 2019670), (5, 1615736), (8, 1009835), (10, 807868), (20, 403934), (40, 201967), (139, 58120), (278, 29060), (556, 14530), (695, 11624), (1112, 7265), (1390, 5812), (1453, 5560), (2780, 2906)]