51115960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{587}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 132088320

約数和(自身を除く): 80972360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311, 587, 622, 1174, 1244, 1555, 2177, 2348, 2488, 2935, 3110, 4109, 4354, 4696, 5870, 6220, 8218, 8708, 10885, 11740, 12440, 16436, 17416, 20545, 21770, 23480, 32872, 41090, 43540, 82180, 87080, 164360, 182557, 365114, 730228, 912785, 1277899, 1460456, 1825570, 2555798, 3651140, 5111596, 6389495, 7302280, 10223192, 12778990, 25557980, 51115960]

約数ペア:

[(1, 51115960), (2, 25557980), (4, 12778990), (5, 10223192), (7, 7302280), (8, 6389495), (10, 5111596), (14, 3651140), (20, 2555798), (28, 1825570), (35, 1460456), (40, 1277899), (56, 912785), (70, 730228), (140, 365114), (280, 182557), (311, 164360), (587, 87080), (622, 82180), (1174, 43540), (1244, 41090), (1555, 32872), (2177, 23480), (2348, 21770), (2488, 20545), (2935, 17416), (3110, 16436), (4109, 12440), (4354, 11740), (4696, 10885), (5870, 8708), (6220, 8218)]