7885720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1439}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 17884800

約数和(自身を除く): 9999080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 1439, 2740, 2878, 5480, 5756, 7195, 11512, 14390, 28780, 57560, 197143, 394286, 788572, 985715, 1577144, 1971430, 3942860, 7885720]

約数ペア:

[(1, 7885720), (2, 3942860), (4, 1971430), (5, 1577144), (8, 985715), (10, 788572), (20, 394286), (40, 197143), (137, 57560), (274, 28780), (548, 14390), (685, 11512), (1096, 7195), (1370, 5756), (1439, 5480), (2740, 2878)]