207635440

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10099}}^1$

素因数の和:10369

約数の個数: 40

約数和(自身を含む): 484678800

約数和(自身を除く): 277043360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10099, 10280, 20198, 20560, 40396, 50495, 80792, 100990, 161584, 201980, 403960, 807920, 2595443, 5190886, 10381772, 12977215, 20763544, 25954430, 41527088, 51908860, 103817720, 207635440]

約数ペア:

[(1, 207635440), (2, 103817720), (4, 51908860), (5, 41527088), (8, 25954430), (10, 20763544), (16, 12977215), (20, 10381772), (40, 5190886), (80, 2595443), (257, 807920), (514, 403960), (1028, 201980), (1285, 161584), (2056, 100990), (2570, 80792), (4112, 50495), (5140, 40396), (10099, 20560), (10280, 20198)]