40608340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2053}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 91099008

約数和(自身を除く): 50490668

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 2053, 3956, 4106, 4945, 8212, 9890, 10265, 19780, 20530, 41060, 47219, 88279, 94438, 176558, 188876, 236095, 353116, 441395, 472190, 882790, 944380, 1765580, 2030417, 4060834, 8121668, 10152085, 20304170, 40608340]

約数ペア:

[(1, 40608340), (2, 20304170), (4, 10152085), (5, 8121668), (10, 4060834), (20, 2030417), (23, 1765580), (43, 944380), (46, 882790), (86, 472190), (92, 441395), (115, 353116), (172, 236095), (215, 188876), (230, 176558), (430, 94438), (460, 88279), (860, 47219), (989, 41060), (1978, 20530), (2053, 19780), (3956, 10265), (4106, 9890), (4945, 8212)]