40393400

素因数分解:

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

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 94655400

約数和(自身を除く): 54262000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 200, 278, 556, 695, 1112, 1390, 1453, 2780, 2906, 3475, 5560, 5812, 6950, 7265, 11624, 13900, 14530, 27800, 29060, 36325, 58120, 72650, 145300, 201967, 290600, 403934, 807868, 1009835, 1615736, 2019670, 4039340, 5049175, 8078680, 10098350, 20196700, 40393400]

約数ペア:

[(1, 40393400), (2, 20196700), (4, 10098350), (5, 8078680), (8, 5049175), (10, 4039340), (20, 2019670), (25, 1615736), (40, 1009835), (50, 807868), (100, 403934), (139, 290600), (200, 201967), (278, 145300), (556, 72650), (695, 58120), (1112, 36325), (1390, 29060), (1453, 27800), (2780, 14530), (2906, 13900), (3475, 11624), (5560, 7265), (5812, 6950)]