51467920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 138741120

約数和(自身を除く): 87273200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1259, 1460, 2044, 2518, 2555, 2920, 4088, 5036, 5110, 5840, 6295, 8176, 8813, 10072, 10220, 12590, 17626, 20144, 20440, 25180, 35252, 40880, 44065, 50360, 70504, 88130, 91907, 100720, 141008, 176260, 183814, 352520, 367628, 459535, 643349, 705040, 735256, 919070, 1286698, 1470512, 1838140, 2573396, 3216745, 3676280, 5146792, 6433490, 7352560, 10293584, 12866980, 25733960, 51467920]

約数ペア:

[(1, 51467920), (2, 25733960), (4, 12866980), (5, 10293584), (7, 7352560), (8, 6433490), (10, 5146792), (14, 3676280), (16, 3216745), (20, 2573396), (28, 1838140), (35, 1470512), (40, 1286698), (56, 919070), (70, 735256), (73, 705040), (80, 643349), (112, 459535), (140, 367628), (146, 352520), (280, 183814), (292, 176260), (365, 141008), (511, 100720), (560, 91907), (584, 88130), (730, 70504), (1022, 50360), (1168, 44065), (1259, 40880), (1460, 35252), (2044, 25180), (2518, 20440), (2555, 20144), (2920, 17626), (4088, 12590), (5036, 10220), (5110, 10072), (5840, 8813), (6295, 8176)]