4255660

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{547}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 8976240

約数和(自身を除く): 4720580

約数列:

[1, 2, 4, 5, 10, 20, 389, 547, 778, 1094, 1556, 1945, 2188, 2735, 3890, 5470, 7780, 10940, 212783, 425566, 851132, 1063915, 2127830, 4255660]

約数ペア:

[(1, 4255660), (2, 2127830), (4, 1063915), (5, 851132), (10, 425566), (20, 212783), (389, 10940), (547, 7780), (778, 5470), (1094, 3890), (1556, 2735), (1945, 2188)]