85097420

素因数分解:

$2^2\times 5^1\times {\mathrm{947}}^1\times {\mathrm{4493}}^1$

素因数の和:5449

約数の個数: 24

約数和(自身を含む): 178933104

約数和(自身を除く): 93835684

約数列:

[1, 2, 4, 5, 10, 20, 947, 1894, 3788, 4493, 4735, 8986, 9470, 17972, 18940, 22465, 44930, 89860, 4254871, 8509742, 17019484, 21274355, 42548710, 85097420]

約数ペア:

[(1, 85097420), (2, 42548710), (4, 21274355), (5, 17019484), (10, 8509742), (20, 4254871), (947, 89860), (1894, 44930), (3788, 22465), (4493, 18940), (4735, 17972), (8986, 9470)]