42377180

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{26821}}^1$

素因数の和:26909

約数の個数: 24

約数和(自身を含む): 90121920

約数和(自身を除く): 47744740

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 26821, 53642, 107284, 134105, 268210, 536420, 2118859, 4237718, 8475436, 10594295, 21188590, 42377180]

約数ペア:

[(1, 42377180), (2, 21188590), (4, 10594295), (5, 8475436), (10, 4237718), (20, 2118859), (79, 536420), (158, 268210), (316, 134105), (395, 107284), (790, 53642), (1580, 26821)]