42356840

素因数分解:

$2^3\times 5^1\times {\mathrm{1058921}}^1$

素因数の和:1058932

約数の個数: 16

約数和(自身を含む): 95302980

約数和(自身を除く): 52946140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1058921, 2117842, 4235684, 5294605, 8471368, 10589210, 21178420, 42356840]

約数ペア:

[(1, 42356840), (2, 21178420), (4, 10589210), (5, 8471368), (8, 5294605), (10, 4235684), (20, 2117842), (40, 1058921)]