1089820

素因数分解:

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

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 2368800

約数和(自身を除く): 1278980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1879, 3758, 7516, 9395, 18790, 37580, 54491, 108982, 217964, 272455, 544910, 1089820]

約数ペア:

[(1, 1089820), (2, 544910), (4, 272455), (5, 217964), (10, 108982), (20, 54491), (29, 37580), (58, 18790), (116, 9395), (145, 7516), (290, 3758), (580, 1879)]