86235640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 200360160

約数和(自身を除く): 114124520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 181, 215, 277, 344, 362, 430, 554, 724, 860, 905, 1108, 1385, 1448, 1720, 1810, 2216, 2770, 3620, 5540, 7240, 7783, 11080, 11911, 15566, 23822, 31132, 38915, 47644, 50137, 59555, 62264, 77830, 95288, 100274, 119110, 155660, 200548, 238220, 250685, 311320, 401096, 476440, 501370, 1002740, 2005480, 2155891, 4311782, 8623564, 10779455, 17247128, 21558910, 43117820, 86235640]

約数ペア:

[(1, 86235640), (2, 43117820), (4, 21558910), (5, 17247128), (8, 10779455), (10, 8623564), (20, 4311782), (40, 2155891), (43, 2005480), (86, 1002740), (172, 501370), (181, 476440), (215, 401096), (277, 311320), (344, 250685), (362, 238220), (430, 200548), (554, 155660), (724, 119110), (860, 100274), (905, 95288), (1108, 77830), (1385, 62264), (1448, 59555), (1720, 50137), (1810, 47644), (2216, 38915), (2770, 31132), (3620, 23822), (5540, 15566), (7240, 11911), (7783, 11080)]