40826980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49789}}^1$

素因数の和:49839

約数の個数: 24

約数和(自身を含む): 87829560

約数和(自身を除く): 47002580

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 49789, 99578, 199156, 248945, 497890, 995780, 2041349, 4082698, 8165396, 10206745, 20413490, 40826980]

約数ペア:

[(1, 40826980), (2, 20413490), (4, 10206745), (5, 8165396), (10, 4082698), (20, 2041349), (41, 995780), (82, 497890), (164, 248945), (205, 199156), (410, 99578), (820, 49789)]