89540080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1406

約数の個数: 80

約数和(自身を含む): 239984640

約数和(自身を除く): 150444560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1259, 1270, 1778, 2032, 2518, 2540, 3556, 4445, 5036, 5080, 6295, 7112, 8813, 8890, 10072, 10160, 12590, 14224, 17626, 17780, 20144, 25180, 35252, 35560, 44065, 50360, 70504, 71120, 88130, 100720, 141008, 159893, 176260, 319786, 352520, 639572, 705040, 799465, 1119251, 1279144, 1598930, 2238502, 2558288, 3197860, 4477004, 5596255, 6395720, 8954008, 11192510, 12791440, 17908016, 22385020, 44770040, 89540080]

約数ペア:

[(1, 89540080), (2, 44770040), (4, 22385020), (5, 17908016), (7, 12791440), (8, 11192510), (10, 8954008), (14, 6395720), (16, 5596255), (20, 4477004), (28, 3197860), (35, 2558288), (40, 2238502), (56, 1598930), (70, 1279144), (80, 1119251), (112, 799465), (127, 705040), (140, 639572), (254, 352520), (280, 319786), (508, 176260), (560, 159893), (635, 141008), (889, 100720), (1016, 88130), (1259, 71120), (1270, 70504), (1778, 50360), (2032, 44065), (2518, 35560), (2540, 35252), (3556, 25180), (4445, 20144), (5036, 17780), (5080, 17626), (6295, 14224), (7112, 12590), (8813, 10160), (8890, 10072)]