40438576

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1109}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 81758160

約数和(自身を除く): 41319584

約数列:

[1, 2, 4, 8, 16, 43, 53, 86, 106, 172, 212, 344, 424, 688, 848, 1109, 2218, 2279, 4436, 4558, 8872, 9116, 17744, 18232, 36464, 47687, 58777, 95374, 117554, 190748, 235108, 381496, 470216, 762992, 940432, 2527411, 5054822, 10109644, 20219288, 40438576]

約数ペア:

[(1, 40438576), (2, 20219288), (4, 10109644), (8, 5054822), (16, 2527411), (43, 940432), (53, 762992), (86, 470216), (106, 381496), (172, 235108), (212, 190748), (344, 117554), (424, 95374), (688, 58777), (848, 47687), (1109, 36464), (2218, 18232), (2279, 17744), (4436, 9116), (4558, 8872)]