109468540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{127289}}^1$

素因数の和:127341

約数の個数: 24

約数和(自身を含む): 235231920

約数和(自身を除く): 125763380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 127289, 254578, 509156, 636445, 1272890, 2545780, 5473427, 10946854, 21893708, 27367135, 54734270, 109468540]

約数ペア:

[(1, 109468540), (2, 54734270), (4, 27367135), (5, 21893708), (10, 10946854), (20, 5473427), (43, 2545780), (86, 1272890), (172, 636445), (215, 509156), (430, 254578), (860, 127289)]