15280940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{40213}}^1$

素因数の和:40241

約数の個数: 24

約数和(自身を含む): 33779760

約数和(自身を除く): 18498820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 40213, 80426, 160852, 201065, 402130, 764047, 804260, 1528094, 3056188, 3820235, 7640470, 15280940]

約数ペア:

[(1, 15280940), (2, 7640470), (4, 3820235), (5, 3056188), (10, 1528094), (19, 804260), (20, 764047), (38, 402130), (76, 201065), (95, 160852), (190, 80426), (380, 40213)]