64508320

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2089}}^1$

素因数の和:2297

約数の個数: 48

約数和(自身を含む): 153263880

約数和(自身を除く): 88755560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 772, 965, 1544, 1930, 2089, 3088, 3860, 4178, 6176, 7720, 8356, 10445, 15440, 16712, 20890, 30880, 33424, 41780, 66848, 83560, 167120, 334240, 403177, 806354, 1612708, 2015885, 3225416, 4031770, 6450832, 8063540, 12901664, 16127080, 32254160, 64508320]

約数ペア:

[(1, 64508320), (2, 32254160), (4, 16127080), (5, 12901664), (8, 8063540), (10, 6450832), (16, 4031770), (20, 3225416), (32, 2015885), (40, 1612708), (80, 806354), (160, 403177), (193, 334240), (386, 167120), (772, 83560), (965, 66848), (1544, 41780), (1930, 33424), (2089, 30880), (3088, 20890), (3860, 16712), (4178, 15440), (6176, 10445), (7720, 8356)]