40641880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23629}}^1$

素因数の和:23683

約数の個数: 32

約数和(自身を含む): 93574800

約数和(自身を除く): 52932920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23629, 47258, 94516, 118145, 189032, 236290, 472580, 945160, 1016047, 2032094, 4064188, 5080235, 8128376, 10160470, 20320940, 40641880]

約数ペア:

[(1, 40641880), (2, 20320940), (4, 10160470), (5, 8128376), (8, 5080235), (10, 4064188), (20, 2032094), (40, 1016047), (43, 945160), (86, 472580), (172, 236290), (215, 189032), (344, 118145), (430, 94516), (860, 47258), (1720, 23629)]