80854780

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{68521}}^1$

素因数の和:68589

約数の個数: 24

約数和(自身を含む): 172675440

約数和(自身を除く): 91820660

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 68521, 137042, 274084, 342605, 685210, 1370420, 4042739, 8085478, 16170956, 20213695, 40427390, 80854780]

約数ペア:

[(1, 80854780), (2, 40427390), (4, 20213695), (5, 16170956), (10, 8085478), (20, 4042739), (59, 1370420), (118, 685210), (236, 342605), (295, 274084), (590, 137042), (1180, 68521)]