26319640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8329}}^1$

素因数の和:8419

約数の個数: 32

約数和(自身を含む): 59976000

約数和(自身を除く): 33656360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8329, 16658, 33316, 41645, 66632, 83290, 166580, 333160, 657991, 1315982, 2631964, 3289955, 5263928, 6579910, 13159820, 26319640]

約数ペア:

[(1, 26319640), (2, 13159820), (4, 6579910), (5, 5263928), (8, 3289955), (10, 2631964), (20, 1315982), (40, 657991), (79, 333160), (158, 166580), (316, 83290), (395, 66632), (632, 41645), (790, 33316), (1580, 16658), (3160, 8329)]