4507780

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{877}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 9514008

約数和(自身を除く): 5006228

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 877, 1028, 1285, 1754, 2570, 3508, 4385, 5140, 8770, 17540, 225389, 450778, 901556, 1126945, 2253890, 4507780]

約数ペア:

[(1, 4507780), (2, 2253890), (4, 1126945), (5, 901556), (10, 450778), (20, 225389), (257, 17540), (514, 8770), (877, 5140), (1028, 4385), (1285, 3508), (1754, 2570)]