2847560

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{277}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 6455160

約数和(自身を除く): 3607600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 277, 514, 554, 1028, 1108, 1285, 1385, 2056, 2216, 2570, 2770, 5140, 5540, 10280, 11080, 71189, 142378, 284756, 355945, 569512, 711890, 1423780, 2847560]

約数ペア:

[(1, 2847560), (2, 1423780), (4, 711890), (5, 569512), (8, 355945), (10, 284756), (20, 142378), (40, 71189), (257, 11080), (277, 10280), (514, 5540), (554, 5140), (1028, 2770), (1108, 2570), (1285, 2216), (1385, 2056)]