71964440

素因数分解:

$2^3\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{1429}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 162162000

約数和(自身を除く): 90197560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1259, 1429, 2518, 2858, 5036, 5716, 6295, 7145, 10072, 11432, 12590, 14290, 25180, 28580, 50360, 57160, 1799111, 3598222, 7196444, 8995555, 14392888, 17991110, 35982220, 71964440]

約数ペア:

[(1, 71964440), (2, 35982220), (4, 17991110), (5, 14392888), (8, 8995555), (10, 7196444), (20, 3598222), (40, 1799111), (1259, 57160), (1429, 50360), (2518, 28580), (2858, 25180), (5036, 14290), (5716, 12590), (6295, 11432), (7145, 10072)]