204663040

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1259}}^1$

素因数の和:1407

約数の個数: 72

約数和(自身を含む): 494484480

約数和(自身を除く): 289821440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 635, 640, 1016, 1259, 1270, 1280, 2032, 2518, 2540, 4064, 5036, 5080, 6295, 8128, 10072, 10160, 12590, 16256, 20144, 20320, 25180, 32512, 40288, 40640, 50360, 80576, 81280, 100720, 159893, 161152, 162560, 201440, 319786, 322304, 402880, 639572, 799465, 805760, 1279144, 1598930, 1611520, 2558288, 3197860, 5116576, 6395720, 10233152, 12791440, 20466304, 25582880, 40932608, 51165760, 102331520, 204663040]

約数ペア:

[(1, 204663040), (2, 102331520), (4, 51165760), (5, 40932608), (8, 25582880), (10, 20466304), (16, 12791440), (20, 10233152), (32, 6395720), (40, 5116576), (64, 3197860), (80, 2558288), (127, 1611520), (128, 1598930), (160, 1279144), (254, 805760), (256, 799465), (320, 639572), (508, 402880), (635, 322304), (640, 319786), (1016, 201440), (1259, 162560), (1270, 161152), (1280, 159893), (2032, 100720), (2518, 81280), (2540, 80576), (4064, 50360), (5036, 40640), (5080, 40288), (6295, 32512), (8128, 25180), (10072, 20320), (10160, 20144), (12590, 16256)]