51791560

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{6779}}^1$

素因数の和:6981

約数の個数: 32

約数和(自身を含む): 117158400

約数和(自身を除く): 65366840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 6779, 7640, 13558, 27116, 33895, 54232, 67790, 135580, 271160, 1294789, 2589578, 5179156, 6473945, 10358312, 12947890, 25895780, 51791560]

約数ペア:

[(1, 51791560), (2, 25895780), (4, 12947890), (5, 10358312), (8, 6473945), (10, 5179156), (20, 2589578), (40, 1294789), (191, 271160), (382, 135580), (764, 67790), (955, 54232), (1528, 33895), (1910, 27116), (3820, 13558), (6779, 7640)]