40937960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{499}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 105840000

約数和(自身を除く): 64902040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 499, 586, 998, 1172, 1465, 1996, 2051, 2344, 2495, 2930, 3493, 3992, 4102, 4990, 5860, 6986, 8204, 9980, 10255, 11720, 13972, 16408, 17465, 19960, 20510, 27944, 34930, 41020, 69860, 82040, 139720, 146207, 292414, 584828, 731035, 1023449, 1169656, 1462070, 2046898, 2924140, 4093796, 5117245, 5848280, 8187592, 10234490, 20468980, 40937960]

約数ペア:

[(1, 40937960), (2, 20468980), (4, 10234490), (5, 8187592), (7, 5848280), (8, 5117245), (10, 4093796), (14, 2924140), (20, 2046898), (28, 1462070), (35, 1169656), (40, 1023449), (56, 731035), (70, 584828), (140, 292414), (280, 146207), (293, 139720), (499, 82040), (586, 69860), (998, 41020), (1172, 34930), (1465, 27944), (1996, 20510), (2051, 19960), (2344, 17465), (2495, 16408), (2930, 13972), (3493, 11720), (3992, 10255), (4102, 9980), (4990, 8204), (5860, 6986)]