80938660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{4657}}^1$

素因数の和:4756

約数の個数: 48

約数和(自身を含む): 187810560

約数和(自身を除く): 106871900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 4657, 8690, 9314, 17380, 18628, 23285, 46570, 51227, 93140, 102454, 204908, 256135, 367903, 512270, 735806, 1024540, 1471612, 1839515, 3679030, 4046933, 7358060, 8093866, 16187732, 20234665, 40469330, 80938660]

約数ペア:

[(1, 80938660), (2, 40469330), (4, 20234665), (5, 16187732), (10, 8093866), (11, 7358060), (20, 4046933), (22, 3679030), (44, 1839515), (55, 1471612), (79, 1024540), (110, 735806), (158, 512270), (220, 367903), (316, 256135), (395, 204908), (790, 102454), (869, 93140), (1580, 51227), (1738, 46570), (3476, 23285), (4345, 18628), (4657, 17380), (8690, 9314)]