26531960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 128

約数和(自身を含む): 75841920

約数和(自身を除く): 49309960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 197, 259, 260, 280, 296, 364, 370, 394, 455, 481, 518, 520, 728, 740, 788, 910, 962, 985, 1036, 1295, 1379, 1480, 1576, 1820, 1924, 1970, 2072, 2405, 2561, 2590, 2758, 3367, 3640, 3848, 3940, 4810, 5122, 5180, 5516, 6734, 6895, 7289, 7880, 9620, 10244, 10360, 11032, 12805, 13468, 13790, 14578, 16835, 17927, 19240, 20488, 25610, 26936, 27580, 29156, 33670, 35854, 36445, 51023, 51220, 55160, 58312, 67340, 71708, 72890, 89635, 94757, 102046, 102440, 134680, 143416, 145780, 179270, 189514, 204092, 255115, 291560, 358540, 379028, 408184, 473785, 510230, 663299, 717080, 758056, 947570, 1020460, 1326598, 1895140, 2040920, 2653196, 3316495, 3790280, 5306392, 6632990, 13265980, 26531960]

約数ペア:

[(1, 26531960), (2, 13265980), (4, 6632990), (5, 5306392), (7, 3790280), (8, 3316495), (10, 2653196), (13, 2040920), (14, 1895140), (20, 1326598), (26, 1020460), (28, 947570), (35, 758056), (37, 717080), (40, 663299), (52, 510230), (56, 473785), (65, 408184), (70, 379028), (74, 358540), (91, 291560), (104, 255115), (130, 204092), (140, 189514), (148, 179270), (182, 145780), (185, 143416), (197, 134680), (259, 102440), (260, 102046), (280, 94757), (296, 89635), (364, 72890), (370, 71708), (394, 67340), (455, 58312), (481, 55160), (518, 51220), (520, 51023), (728, 36445), (740, 35854), (788, 33670), (910, 29156), (962, 27580), (985, 26936), (1036, 25610), (1295, 20488), (1379, 19240), (1480, 17927), (1576, 16835), (1820, 14578), (1924, 13790), (1970, 13468), (2072, 12805), (2405, 11032), (2561, 10360), (2590, 10244), (2758, 9620), (3367, 7880), (3640, 7289), (3848, 6895), (3940, 6734), (4810, 5516), (5122, 5180)]