78280640

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5689}}^1$

素因数の和:5749

約数の個数: 56

約数和(自身を含む): 190774320

約数和(自身を除く): 112493680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 5689, 6880, 11378, 13760, 22756, 28445, 45512, 56890, 91024, 113780, 182048, 227560, 244627, 364096, 455120, 489254, 910240, 978508, 1223135, 1820480, 1957016, 2446270, 3914032, 4892540, 7828064, 9785080, 15656128, 19570160, 39140320, 78280640]

約数ペア:

[(1, 78280640), (2, 39140320), (4, 19570160), (5, 15656128), (8, 9785080), (10, 7828064), (16, 4892540), (20, 3914032), (32, 2446270), (40, 1957016), (43, 1820480), (64, 1223135), (80, 978508), (86, 910240), (160, 489254), (172, 455120), (215, 364096), (320, 244627), (344, 227560), (430, 182048), (688, 113780), (860, 91024), (1376, 56890), (1720, 45512), (2752, 28445), (3440, 22756), (5689, 13760), (6880, 11378)]