80258984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 168315840

約数和(自身を除く): 88056856

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 131, 137, 172, 262, 274, 344, 524, 548, 559, 1048, 1096, 1118, 1703, 1781, 2236, 3406, 3562, 4472, 5633, 5891, 6812, 7124, 11266, 11782, 13624, 14248, 17947, 22532, 23564, 35894, 45064, 47128, 71788, 73229, 76583, 143576, 146458, 153166, 233311, 292916, 306332, 466622, 585832, 612664, 771721, 933244, 1543442, 1866488, 3086884, 6173768, 10032373, 20064746, 40129492, 80258984]

約数ペア:

[(1, 80258984), (2, 40129492), (4, 20064746), (8, 10032373), (13, 6173768), (26, 3086884), (43, 1866488), (52, 1543442), (86, 933244), (104, 771721), (131, 612664), (137, 585832), (172, 466622), (262, 306332), (274, 292916), (344, 233311), (524, 153166), (548, 146458), (559, 143576), (1048, 76583), (1096, 73229), (1118, 71788), (1703, 47128), (1781, 45064), (2236, 35894), (3406, 23564), (3562, 22532), (4472, 17947), (5633, 14248), (5891, 13624), (6812, 11782), (7124, 11266)]