28527070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19949}}^1$

素因数の和:19980

約数の個数: 32

約数和(自身を含む): 60328800

約数和(自身を除く): 31801730

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 19949, 39898, 99745, 199490, 219439, 259337, 438878, 518674, 1097195, 1296685, 2194390, 2593370, 2852707, 5705414, 14263535, 28527070]

約数ペア:

[(1, 28527070), (2, 14263535), (5, 5705414), (10, 2852707), (11, 2593370), (13, 2194390), (22, 1296685), (26, 1097195), (55, 518674), (65, 438878), (110, 259337), (130, 219439), (143, 199490), (286, 99745), (715, 39898), (1430, 19949)]