90228680

素因数分解:

$2^3\times 5^1\times {\mathrm{2255717}}^1$

素因数の和:2255728

約数の個数: 16

約数和(自身を含む): 203014620

約数和(自身を除く): 112785940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2255717, 4511434, 9022868, 11278585, 18045736, 22557170, 45114340, 90228680]

約数ペア:

[(1, 90228680), (2, 45114340), (4, 22557170), (5, 18045736), (8, 11278585), (10, 9022868), (20, 4511434), (40, 2255717)]