26577280

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:467

約数の個数: 64

約数和(自身を含む): 64223280

約数和(自身を除く): 37646000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 262, 317, 320, 524, 634, 640, 655, 1048, 1268, 1310, 1585, 2096, 2536, 2620, 3170, 4192, 5072, 5240, 6340, 8384, 10144, 10480, 12680, 16768, 20288, 20960, 25360, 40576, 41527, 41920, 50720, 83054, 83840, 101440, 166108, 202880, 207635, 332216, 415270, 664432, 830540, 1328864, 1661080, 2657728, 3322160, 5315456, 6644320, 13288640, 26577280]

約数ペア:

[(1, 26577280), (2, 13288640), (4, 6644320), (5, 5315456), (8, 3322160), (10, 2657728), (16, 1661080), (20, 1328864), (32, 830540), (40, 664432), (64, 415270), (80, 332216), (128, 207635), (131, 202880), (160, 166108), (262, 101440), (317, 83840), (320, 83054), (524, 50720), (634, 41920), (640, 41527), (655, 40576), (1048, 25360), (1268, 20960), (1310, 20288), (1585, 16768), (2096, 12680), (2536, 10480), (2620, 10144), (3170, 8384), (4192, 6340), (5072, 5240)]