90455440

素因数分解:

$2^4\times 5^1\times {\mathrm{1130693}}^1$

素因数の和:1130706

約数の個数: 20

約数和(自身を含む): 210309084

約数和(自身を除く): 119853644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1130693, 2261386, 4522772, 5653465, 9045544, 11306930, 18091088, 22613860, 45227720, 90455440]

約数ペア:

[(1, 90455440), (2, 45227720), (4, 22613860), (5, 18091088), (8, 11306930), (10, 9045544), (16, 5653465), (20, 4522772), (40, 2261386), (80, 1130693)]