80249290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{5569}}^1$

素因数の和:5718

約数の個数: 32

約数和(自身を含む): 158811840

約数和(自身を除く): 78562550

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 131, 262, 655, 1310, 1441, 2882, 5569, 7205, 11138, 14410, 27845, 55690, 61259, 122518, 306295, 612590, 729539, 1459078, 3647695, 7295390, 8024929, 16049858, 40124645, 80249290]

約数ペア:

[(1, 80249290), (2, 40124645), (5, 16049858), (10, 8024929), (11, 7295390), (22, 3647695), (55, 1459078), (110, 729539), (131, 612590), (262, 306295), (655, 122518), (1310, 61259), (1441, 55690), (2882, 27845), (5569, 14410), (7205, 11138)]