43117820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 93501408

約数和(自身を除く): 50383588

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 181, 215, 277, 362, 430, 554, 724, 860, 905, 1108, 1385, 1810, 2770, 3620, 5540, 7783, 11911, 15566, 23822, 31132, 38915, 47644, 50137, 59555, 77830, 100274, 119110, 155660, 200548, 238220, 250685, 501370, 1002740, 2155891, 4311782, 8623564, 10779455, 21558910, 43117820]

約数ペア:

[(1, 43117820), (2, 21558910), (4, 10779455), (5, 8623564), (10, 4311782), (20, 2155891), (43, 1002740), (86, 501370), (172, 250685), (181, 238220), (215, 200548), (277, 155660), (362, 119110), (430, 100274), (554, 77830), (724, 59555), (860, 50137), (905, 47644), (1108, 38915), (1385, 31132), (1810, 23822), (2770, 15566), (3620, 11911), (5540, 7783)]