156738440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{91127}}^1$

素因数の和:91181

約数の個数: 32

約数和(自身を含む): 360866880

約数和(自身を除く): 204128440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 91127, 182254, 364508, 455635, 729016, 911270, 1822540, 3645080, 3918461, 7836922, 15673844, 19592305, 31347688, 39184610, 78369220, 156738440]

約数ペア:

[(1, 156738440), (2, 78369220), (4, 39184610), (5, 31347688), (8, 19592305), (10, 15673844), (20, 7836922), (40, 3918461), (43, 3645080), (86, 1822540), (172, 911270), (215, 729016), (344, 455635), (430, 364508), (860, 182254), (1720, 91127)]