39212380

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4549}}^1$

素因数の和:4989

約数の個数: 24

約数和(自身を含む): 82555200

約数和(自身を除く): 43342820

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 4549, 8620, 9098, 18196, 22745, 45490, 90980, 1960619, 3921238, 7842476, 9803095, 19606190, 39212380]

約数ペア:

[(1, 39212380), (2, 19606190), (4, 9803095), (5, 7842476), (10, 3921238), (20, 1960619), (431, 90980), (862, 45490), (1724, 22745), (2155, 18196), (4310, 9098), (4549, 8620)]