2555838.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 56583360

約数和(自身を除く): 32875880

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 353, 365, 460, 584, 706, 730, 920, 1412, 1460, 1679, 1765, 2824, 2920, 3358, 3530, 6716, 7060, 8119, 8395, 13432, 14120, 16238, 16790, 25769, 32476, 33580, 40595, 51538, 64952, 67160, 81190, 103076, 128845, 162380, 206152, 257690, 324760, 515380, 592687, 1030760, 1185374, 2370748, 2963435, 4741496, 5926870, 11853740, 23707480]

約数ペア:

[(1, 23707480), (2, 11853740), (4, 5926870), (5, 4741496), (8, 2963435), (10, 2370748), (20, 1185374), (23, 1030760), (40, 592687), (46, 515380), (73, 324760), (92, 257690), (115, 206152), (146, 162380), (184, 128845), (230, 103076), (292, 81190), (353, 67160), (365, 64952), (460, 51538), (584, 40595), (706, 33580), (730, 32476), (920, 25769), (1412, 16790), (1460, 16238), (1679, 14120), (1765, 13432), (2824, 8395), (2920, 8119), (3358, 7060), (3530, 6716)]