42465380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{111751}}^1$

素因数の和:111779

約数の個数: 24

約数和(自身を含む): 93871680

約数和(自身を除く): 51406300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 111751, 223502, 447004, 558755, 1117510, 2123269, 2235020, 4246538, 8493076, 10616345, 21232690, 42465380]

約数ペア:

[(1, 42465380), (2, 21232690), (4, 10616345), (5, 8493076), (10, 4246538), (19, 2235020), (20, 2123269), (38, 1117510), (76, 558755), (95, 447004), (190, 223502), (380, 111751)]