2666320

素因数分解:

$2^4\times 5^1\times {\mathrm{33329}}^1$

素因数の和:33342

約数の個数: 20

約数和(自身を含む): 6199380

約数和(自身を除く): 3533060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 33329, 66658, 133316, 166645, 266632, 333290, 533264, 666580, 1333160, 2666320]

約数ペア:

[(1, 2666320), (2, 1333160), (4, 666580), (5, 533264), (8, 333290), (10, 266632), (16, 166645), (20, 133316), (40, 66658), (80, 33329)]