51287200

素因数分解:

$2^5\times 5^2\times {\mathrm{64109}}^1$

素因数の和:64129

約数の個数: 36

約数和(自身を含む): 125206830

約数和(自身を除く): 73919630

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 64109, 128218, 256436, 320545, 512872, 641090, 1025744, 1282180, 1602725, 2051488, 2564360, 3205450, 5128720, 6410900, 10257440, 12821800, 25643600, 51287200]

約数ペア:

[(1, 51287200), (2, 25643600), (4, 12821800), (5, 10257440), (8, 6410900), (10, 5128720), (16, 3205450), (20, 2564360), (25, 2051488), (32, 1602725), (40, 1282180), (50, 1025744), (80, 641090), (100, 512872), (160, 320545), (200, 256436), (400, 128218), (800, 64109)]