89195480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{202717}}^1$

素因数の和:202739

約数の個数: 32

約数和(自身を含む): 218935440

約数和(自身を除く): 129739960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 202717, 405434, 810868, 1013585, 1621736, 2027170, 2229887, 4054340, 4459774, 8108680, 8919548, 11149435, 17839096, 22298870, 44597740, 89195480]

約数ペア:

[(1, 89195480), (2, 44597740), (4, 22298870), (5, 17839096), (8, 11149435), (10, 8919548), (11, 8108680), (20, 4459774), (22, 4054340), (40, 2229887), (44, 2027170), (55, 1621736), (88, 1013585), (110, 810868), (220, 405434), (440, 202717)]