78997520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{141067}}^1$

素因数の和:141087

約数の個数: 40

約数和(自身を含む): 209909184

約数和(自身を除く): 130911664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 141067, 282134, 564268, 705335, 987469, 1128536, 1410670, 1974938, 2257072, 2821340, 3949876, 4937345, 5642680, 7899752, 9874690, 11285360, 15799504, 19749380, 39498760, 78997520]

約数ペア:

[(1, 78997520), (2, 39498760), (4, 19749380), (5, 15799504), (7, 11285360), (8, 9874690), (10, 7899752), (14, 5642680), (16, 4937345), (20, 3949876), (28, 2821340), (35, 2257072), (40, 1974938), (56, 1410670), (70, 1128536), (80, 987469), (112, 705335), (140, 564268), (280, 282134), (560, 141067)]