205391425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3967}}^1$

素因数の和:4105

約数の個数: 24

約数和(自身を含む): 270617600

約数和(自身を除く): 65226175

約数列:

[1, 5, 19, 25, 95, 109, 475, 545, 2071, 2725, 3967, 10355, 19835, 51775, 75373, 99175, 376865, 432403, 1884325, 2162015, 8215657, 10810075, 41078285, 205391425]

約数ペア:

[(1, 205391425), (5, 41078285), (19, 10810075), (25, 8215657), (95, 2162015), (109, 1884325), (475, 432403), (545, 376865), (2071, 99175), (2725, 75373), (3967, 51775), (10355, 19835)]