164568440

素因数分解:

$2^3\times 5^1\times {\mathrm{4114211}}^1$

素因数の和:4114222

約数の個数: 16

約数和(自身を含む): 370279080

約数和(自身を除く): 205710640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4114211, 8228422, 16456844, 20571055, 32913688, 41142110, 82284220, 164568440]

約数ペア:

[(1, 164568440), (2, 82284220), (4, 41142110), (5, 32913688), (8, 20571055), (10, 16456844), (20, 8228422), (40, 4114211)]