2816720

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 6622344

約数和(自身を除く): 3805624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 257, 274, 514, 548, 685, 1028, 1096, 1285, 1370, 2056, 2192, 2570, 2740, 4112, 5140, 5480, 10280, 10960, 20560, 35209, 70418, 140836, 176045, 281672, 352090, 563344, 704180, 1408360, 2816720]

約数ペア:

[(1, 2816720), (2, 1408360), (4, 704180), (5, 563344), (8, 352090), (10, 281672), (16, 176045), (20, 140836), (40, 70418), (80, 35209), (137, 20560), (257, 10960), (274, 10280), (514, 5480), (548, 5140), (685, 4112), (1028, 2740), (1096, 2570), (1285, 2192), (1370, 2056)]