42507980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51839}}^1$

素因数の和:51889

約数の個数: 24

約数和(自身を含む): 91445760

約数和(自身を除く): 48937780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51839, 103678, 207356, 259195, 518390, 1036780, 2125399, 4250798, 8501596, 10626995, 21253990, 42507980]

約数ペア:

[(1, 42507980), (2, 21253990), (4, 10626995), (5, 8501596), (10, 4250798), (20, 2125399), (41, 1036780), (82, 518390), (164, 259195), (205, 207356), (410, 103678), (820, 51839)]