90179240

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{6143}}^1$

素因数の和:6521

約数の個数: 32

約数和(自身を含む): 203489280

約数和(自身を除く): 113310040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 6143, 7340, 12286, 14680, 24572, 30715, 49144, 61430, 122860, 245720, 2254481, 4508962, 9017924, 11272405, 18035848, 22544810, 45089620, 90179240]

約数ペア:

[(1, 90179240), (2, 45089620), (4, 22544810), (5, 18035848), (8, 11272405), (10, 9017924), (20, 4508962), (40, 2254481), (367, 245720), (734, 122860), (1468, 61430), (1835, 49144), (2936, 30715), (3670, 24572), (6143, 14680), (7340, 12286)]