22385020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1402

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 31805060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1259, 1270, 1778, 2518, 2540, 3556, 4445, 5036, 6295, 8813, 8890, 12590, 17626, 17780, 25180, 35252, 44065, 88130, 159893, 176260, 319786, 639572, 799465, 1119251, 1598930, 2238502, 3197860, 4477004, 5596255, 11192510, 22385020]

約数ペア:

[(1, 22385020), (2, 11192510), (4, 5596255), (5, 4477004), (7, 3197860), (10, 2238502), (14, 1598930), (20, 1119251), (28, 799465), (35, 639572), (70, 319786), (127, 176260), (140, 159893), (254, 88130), (508, 44065), (635, 35252), (889, 25180), (1259, 17780), (1270, 17626), (1778, 12590), (2518, 8890), (2540, 8813), (3556, 6295), (4445, 5036)]