8340940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4049}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 17690400

約数和(自身を除く): 9349460

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 4049, 8098, 16196, 20245, 40490, 80980, 417047, 834094, 1668188, 2085235, 4170470, 8340940]

約数ペア:

[(1, 8340940), (2, 4170470), (4, 2085235), (5, 1668188), (10, 834094), (20, 417047), (103, 80980), (206, 40490), (412, 20245), (515, 16196), (1030, 8098), (2060, 4049)]