108435820

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{60919}}^1$

素因数の和:61017

約数の個数: 24

約数和(自身を含む): 230277600

約数和(自身を除く): 121841780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 60919, 121838, 243676, 304595, 609190, 1218380, 5421791, 10843582, 21687164, 27108955, 54217910, 108435820]

約数ペア:

[(1, 108435820), (2, 54217910), (4, 27108955), (5, 21687164), (10, 10843582), (20, 5421791), (89, 1218380), (178, 609190), (356, 304595), (445, 243676), (890, 121838), (1780, 60919)]