27915140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{569}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 64350720

約数和(自身を除く): 36435580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 223, 446, 569, 892, 1115, 1138, 2230, 2276, 2453, 2845, 4460, 4906, 5690, 6259, 9812, 11380, 12265, 12518, 24530, 25036, 31295, 49060, 62590, 125180, 126887, 253774, 507548, 634435, 1268870, 1395757, 2537740, 2791514, 5583028, 6978785, 13957570, 27915140]

約数ペア:

[(1, 27915140), (2, 13957570), (4, 6978785), (5, 5583028), (10, 2791514), (11, 2537740), (20, 1395757), (22, 1268870), (44, 634435), (55, 507548), (110, 253774), (220, 126887), (223, 125180), (446, 62590), (569, 49060), (892, 31295), (1115, 25036), (1138, 24530), (2230, 12518), (2276, 12265), (2453, 11380), (2845, 9812), (4460, 6259), (4906, 5690)]