51305660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21557}}^1$

素因数の和:21590

約数の個数: 48

約数和(自身を含む): 130382784

約数和(自身を除く): 79077124

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 21557, 43114, 86228, 107785, 150899, 215570, 301798, 366469, 431140, 603596, 732938, 754495, 1465876, 1508990, 1832345, 2565283, 3017980, 3664690, 5130566, 7329380, 10261132, 12826415, 25652830, 51305660]

約数ペア:

[(1, 51305660), (2, 25652830), (4, 12826415), (5, 10261132), (7, 7329380), (10, 5130566), (14, 3664690), (17, 3017980), (20, 2565283), (28, 1832345), (34, 1508990), (35, 1465876), (68, 754495), (70, 732938), (85, 603596), (119, 431140), (140, 366469), (170, 301798), (238, 215570), (340, 150899), (476, 107785), (595, 86228), (1190, 43114), (2380, 21557)]