12647840

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:729

約数の個数: 48

約数和(自身を含む): 30150792

約数和(自身を除く): 17502952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 577, 685, 1096, 1154, 1370, 2192, 2308, 2740, 2885, 4384, 4616, 5480, 5770, 9232, 10960, 11540, 18464, 21920, 23080, 46160, 79049, 92320, 158098, 316196, 395245, 632392, 790490, 1264784, 1580980, 2529568, 3161960, 6323920, 12647840]

約数ペア:

[(1, 12647840), (2, 6323920), (4, 3161960), (5, 2529568), (8, 1580980), (10, 1264784), (16, 790490), (20, 632392), (32, 395245), (40, 316196), (80, 158098), (137, 92320), (160, 79049), (274, 46160), (548, 23080), (577, 21920), (685, 18464), (1096, 11540), (1154, 10960), (1370, 9232), (2192, 5770), (2308, 5480), (2740, 4616), (2885, 4384)]