4251560

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{677}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 9641160

約数和(自身を除く): 5389600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 677, 785, 1256, 1354, 1570, 2708, 3140, 3385, 5416, 6280, 6770, 13540, 27080, 106289, 212578, 425156, 531445, 850312, 1062890, 2125780, 4251560]

約数ペア:

[(1, 4251560), (2, 2125780), (4, 1062890), (5, 850312), (8, 531445), (10, 425156), (20, 212578), (40, 106289), (157, 27080), (314, 13540), (628, 6770), (677, 6280), (785, 5416), (1256, 3385), (1354, 3140), (1570, 2708)]