169858840

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{13567}}^1$

素因数の和:13891

約数の個数: 32

約数和(自身を含む): 383431680

約数和(自身を除く): 213572840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 13567, 27134, 54268, 67835, 108536, 135670, 271340, 542680, 4246471, 8492942, 16985884, 21232355, 33971768, 42464710, 84929420, 169858840]

約数ペア:

[(1, 169858840), (2, 84929420), (4, 42464710), (5, 33971768), (8, 21232355), (10, 16985884), (20, 8492942), (40, 4246471), (313, 542680), (626, 271340), (1252, 135670), (1565, 108536), (2504, 67835), (3130, 54268), (6260, 27134), (12520, 13567)]