81656017490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1117}}^1\times {\mathrm{317839}}^1$

素因数の和:318986

約数の個数: 32

約数和(自身を含む): 153509091840

約数和(自身を除く): 71853074350

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 1117, 2234, 5585, 11170, 25691, 51382, 128455, 256910, 317839, 635678, 1589195, 3178390, 7310297, 14620594, 36551485, 73102970, 355026163, 710052326, 1775130815, 3550261630, 8165601749, 16331203498, 40828008745, 81656017490]

約数ペア:

[(1, 81656017490), (2, 40828008745), (5, 16331203498), (10, 8165601749), (23, 3550261630), (46, 1775130815), (115, 710052326), (230, 355026163), (1117, 73102970), (2234, 36551485), (5585, 14620594), (11170, 7310297), (25691, 3178390), (51382, 1589195), (128455, 635678), (256910, 317839)]