4255480

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 9642240

約数和(自身を除く): 5386760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 557, 764, 955, 1114, 1528, 1910, 2228, 2785, 3820, 4456, 5570, 7640, 11140, 22280, 106387, 212774, 425548, 531935, 851096, 1063870, 2127740, 4255480]

約数ペア:

[(1, 4255480), (2, 2127740), (4, 1063870), (5, 851096), (8, 531935), (10, 425548), (20, 212774), (40, 106387), (191, 22280), (382, 11140), (557, 7640), (764, 5570), (955, 4456), (1114, 3820), (1528, 2785), (1910, 2228)]