5388920

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{677}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 12204000

約数和(自身を除く): 6815080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 677, 796, 995, 1354, 1592, 1990, 2708, 3385, 3980, 5416, 6770, 7960, 13540, 27080, 134723, 269446, 538892, 673615, 1077784, 1347230, 2694460, 5388920]

約数ペア:

[(1, 5388920), (2, 2694460), (4, 1347230), (5, 1077784), (8, 673615), (10, 538892), (20, 269446), (40, 134723), (199, 27080), (398, 13540), (677, 7960), (796, 6770), (995, 5416), (1354, 3980), (1592, 3385), (1990, 2708)]