40838120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{8039}}^1$

素因数の和:8177

約数の個数: 32

約数和(自身を含む): 92620800

約数和(自身を除く): 51782680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 8039, 16078, 32156, 40195, 64312, 80390, 160780, 321560, 1020953, 2041906, 4083812, 5104765, 8167624, 10209530, 20419060, 40838120]

約数ペア:

[(1, 40838120), (2, 20419060), (4, 10209530), (5, 8167624), (8, 5104765), (10, 4083812), (20, 2041906), (40, 1020953), (127, 321560), (254, 160780), (508, 80390), (635, 64312), (1016, 40195), (1270, 32156), (2540, 16078), (5080, 8039)]