80968576

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 184793400

約数和(自身を除く): 103824824

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 169, 197, 208, 247, 304, 338, 394, 416, 494, 608, 676, 788, 832, 988, 1216, 1352, 1576, 1664, 1976, 2432, 2561, 2704, 3152, 3211, 3743, 3952, 5122, 5408, 6304, 6422, 7486, 7904, 10244, 10816, 12608, 12844, 14972, 15808, 20488, 21632, 25216, 25688, 29944, 31616, 33293, 40976, 48659, 51376, 59888, 66586, 81952, 97318, 102752, 119776, 133172, 163904, 194636, 205504, 239552, 266344, 327808, 389272, 411008, 479104, 532688, 632567, 778544, 1065376, 1265134, 1557088, 2130752, 2530268, 3114176, 4261504, 5060536, 6228352, 10121072, 20242144, 40484288, 80968576]

約数ペア:

[(1, 80968576), (2, 40484288), (4, 20242144), (8, 10121072), (13, 6228352), (16, 5060536), (19, 4261504), (26, 3114176), (32, 2530268), (38, 2130752), (52, 1557088), (64, 1265134), (76, 1065376), (104, 778544), (128, 632567), (152, 532688), (169, 479104), (197, 411008), (208, 389272), (247, 327808), (304, 266344), (338, 239552), (394, 205504), (416, 194636), (494, 163904), (608, 133172), (676, 119776), (788, 102752), (832, 97318), (988, 81952), (1216, 66586), (1352, 59888), (1576, 51376), (1664, 48659), (1976, 40976), (2432, 33293), (2561, 31616), (2704, 29944), (3152, 25688), (3211, 25216), (3743, 21632), (3952, 20488), (5122, 15808), (5408, 14972), (6304, 12844), (6422, 12608), (7486, 10816), (7904, 10244)]