81540111952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^3\times {\mathrm{13159}}^1$

素因数の和:13273

約数の個数: 80

約数和(自身を含む): 175820968960

約数和(自身を除く): 94280857008

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 961, 1612, 1922, 3224, 3844, 6448, 7688, 12493, 13159, 15376, 24986, 26318, 29791, 49972, 52636, 59582, 99944, 105272, 119164, 171067, 199888, 210544, 238328, 342134, 387283, 407929, 476656, 684268, 774566, 815858, 1368536, 1549132, 1631716, 2737072, 3098264, 3263432, 5303077, 6196528, 6526864, 10606154, 12645799, 21212308, 25291598, 42424616, 50583196, 84849232, 101166392, 164395387, 202332784, 328790774, 392019769, 657581548, 784039538, 1315163096, 1568079076, 2630326192, 3136158152, 5096256997, 6272316304, 10192513994, 20385027988, 40770055976, 81540111952]

約数ペア:

[(1, 81540111952), (2, 40770055976), (4, 20385027988), (8, 10192513994), (13, 6272316304), (16, 5096256997), (26, 3136158152), (31, 2630326192), (52, 1568079076), (62, 1315163096), (104, 784039538), (124, 657581548), (208, 392019769), (248, 328790774), (403, 202332784), (496, 164395387), (806, 101166392), (961, 84849232), (1612, 50583196), (1922, 42424616), (3224, 25291598), (3844, 21212308), (6448, 12645799), (7688, 10606154), (12493, 6526864), (13159, 6196528), (15376, 5303077), (24986, 3263432), (26318, 3098264), (29791, 2737072), (49972, 1631716), (52636, 1549132), (59582, 1368536), (99944, 815858), (105272, 774566), (119164, 684268), (171067, 476656), (199888, 407929), (210544, 387283), (238328, 342134)]