71354380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{45161}}^1$

素因数の和:45249

約数の個数: 24

約数和(自身を含む): 151744320

約数和(自身を除く): 80389940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 45161, 90322, 180644, 225805, 451610, 903220, 3567719, 7135438, 14270876, 17838595, 35677190, 71354380]

約数ペア:

[(1, 71354380), (2, 35677190), (4, 17838595), (5, 14270876), (10, 7135438), (20, 3567719), (79, 903220), (158, 451610), (316, 225805), (395, 180644), (790, 90322), (1580, 45161)]