2179640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1879}}^1$

素因数の和:1919

約数の個数: 32

約数和(自身を含む): 5076000

約数和(自身を除く): 2896360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1879, 3758, 7516, 9395, 15032, 18790, 37580, 54491, 75160, 108982, 217964, 272455, 435928, 544910, 1089820, 2179640]

約数ペア:

[(1, 2179640), (2, 1089820), (4, 544910), (5, 435928), (8, 272455), (10, 217964), (20, 108982), (29, 75160), (40, 54491), (58, 37580), (116, 18790), (145, 15032), (232, 9395), (290, 7516), (580, 3758), (1160, 1879)]