13288640

素因数分解:

$2^6\times 5^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:465

約数の個数: 56

約数和(自身を含む): 31985712

約数和(自身を除く): 18697072

約数列:

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

約数ペア:

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