56111980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{397}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 121959936

約数和(自身を除く): 65847956

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 191, 370, 382, 397, 740, 764, 794, 955, 1588, 1910, 1985, 3820, 3970, 7067, 7940, 14134, 14689, 28268, 29378, 35335, 58756, 70670, 73445, 75827, 141340, 146890, 151654, 293780, 303308, 379135, 758270, 1516540, 2805599, 5611198, 11222396, 14027995, 28055990, 56111980]

約数ペア:

[(1, 56111980), (2, 28055990), (4, 14027995), (5, 11222396), (10, 5611198), (20, 2805599), (37, 1516540), (74, 758270), (148, 379135), (185, 303308), (191, 293780), (370, 151654), (382, 146890), (397, 141340), (740, 75827), (764, 73445), (794, 70670), (955, 58756), (1588, 35335), (1910, 29378), (1985, 28268), (3820, 14689), (3970, 14134), (7067, 7940)]