90490760

素因数分解:

$2^3\times 5^1\times {\mathrm{2262269}}^1$

素因数の和:2262280

約数の個数: 16

約数和(自身を含む): 203604300

約数和(自身を除く): 113113540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2262269, 4524538, 9049076, 11311345, 18098152, 22622690, 45245380, 90490760]

約数ペア:

[(1, 90490760), (2, 45245380), (4, 22622690), (5, 18098152), (8, 11311345), (10, 9049076), (20, 4524538), (40, 2262269)]