39217900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{20641}}^1$

素因数の和:20674

約数の個数: 36

約数和(自身を含む): 89586280

約数和(自身を除く): 50368380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 20641, 41282, 82564, 103205, 206410, 392179, 412820, 516025, 784358, 1032050, 1568716, 1960895, 2064100, 3921790, 7843580, 9804475, 19608950, 39217900]

約数ペア:

[(1, 39217900), (2, 19608950), (4, 9804475), (5, 7843580), (10, 3921790), (19, 2064100), (20, 1960895), (25, 1568716), (38, 1032050), (50, 784358), (76, 516025), (95, 412820), (100, 392179), (190, 206410), (380, 103205), (475, 82564), (950, 41282), (1900, 20641)]