39589240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23017}}^1$

素因数の和:23071

約数の個数: 32

約数和(自身を含む): 91151280

約数和(自身を除く): 51562040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23017, 46034, 92068, 115085, 184136, 230170, 460340, 920680, 989731, 1979462, 3958924, 4948655, 7917848, 9897310, 19794620, 39589240]

約数ペア:

[(1, 39589240), (2, 19794620), (4, 9897310), (5, 7917848), (8, 4948655), (10, 3958924), (20, 1979462), (40, 989731), (43, 920680), (86, 460340), (172, 230170), (215, 184136), (344, 115085), (430, 92068), (860, 46034), (1720, 23017)]