90235730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22391}}^1$

素因数の和:22442

約数の個数: 32

約数和(自身を含む): 180569088

約数和(自身を除く): 90333358

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 22391, 44782, 111955, 223910, 291083, 582166, 694121, 1388242, 1455415, 2910830, 3470605, 6941210, 9023573, 18047146, 45117865, 90235730]

約数ペア:

[(1, 90235730), (2, 45117865), (5, 18047146), (10, 9023573), (13, 6941210), (26, 3470605), (31, 2910830), (62, 1455415), (65, 1388242), (130, 694121), (155, 582166), (310, 291083), (403, 223910), (806, 111955), (2015, 44782), (4030, 22391)]