8702560

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 48

約数和(自身を含む): 20790000

約数和(自身を除く): 12087440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 499, 545, 872, 998, 1090, 1744, 1996, 2180, 2495, 3488, 3992, 4360, 4990, 7984, 8720, 9980, 15968, 17440, 19960, 39920, 54391, 79840, 108782, 217564, 271955, 435128, 543910, 870256, 1087820, 1740512, 2175640, 4351280, 8702560]

約数ペア:

[(1, 8702560), (2, 4351280), (4, 2175640), (5, 1740512), (8, 1087820), (10, 870256), (16, 543910), (20, 435128), (32, 271955), (40, 217564), (80, 108782), (109, 79840), (160, 54391), (218, 39920), (436, 19960), (499, 17440), (545, 15968), (872, 9980), (998, 8720), (1090, 7984), (1744, 4990), (1996, 4360), (2180, 3992), (2495, 3488)]