4427560

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1559}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 10108800

約数和(自身を除く): 5681240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1559, 2840, 3118, 6236, 7795, 12472, 15590, 31180, 62360, 110689, 221378, 442756, 553445, 885512, 1106890, 2213780, 4427560]

約数ペア:

[(1, 4427560), (2, 2213780), (4, 1106890), (5, 885512), (8, 553445), (10, 442756), (20, 221378), (40, 110689), (71, 62360), (142, 31180), (284, 15590), (355, 12472), (568, 7795), (710, 6236), (1420, 3118), (1559, 2840)]