4263440

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:539

約数の個数: 40

約数和(自身を含む): 10010520

約数和(自身を除く): 5747080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 389, 548, 685, 778, 1096, 1370, 1556, 1945, 2192, 2740, 3112, 3890, 5480, 6224, 7780, 10960, 15560, 31120, 53293, 106586, 213172, 266465, 426344, 532930, 852688, 1065860, 2131720, 4263440]

約数ペア:

[(1, 4263440), (2, 2131720), (4, 1065860), (5, 852688), (8, 532930), (10, 426344), (16, 266465), (20, 213172), (40, 106586), (80, 53293), (137, 31120), (274, 15560), (389, 10960), (548, 7780), (685, 6224), (778, 5480), (1096, 3890), (1370, 3112), (1556, 2740), (1945, 2192)]