64517440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1193}}^1$

素因数の和:1236

約数の個数: 84

約数和(自身を含む): 166498524

約数和(自身を除く): 101981084

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1193, 1352, 1690, 2080, 2386, 2704, 3380, 4160, 4772, 5408, 5965, 6760, 9544, 10816, 11930, 13520, 15509, 19088, 23860, 27040, 31018, 38176, 47720, 54080, 62036, 76352, 77545, 95440, 124072, 155090, 190880, 201617, 248144, 310180, 381760, 403234, 496288, 620360, 806468, 992576, 1008085, 1240720, 1612936, 2016170, 2481440, 3225872, 4032340, 4962880, 6451744, 8064680, 12903488, 16129360, 32258720, 64517440]

約数ペア:

[(1, 64517440), (2, 32258720), (4, 16129360), (5, 12903488), (8, 8064680), (10, 6451744), (13, 4962880), (16, 4032340), (20, 3225872), (26, 2481440), (32, 2016170), (40, 1612936), (52, 1240720), (64, 1008085), (65, 992576), (80, 806468), (104, 620360), (130, 496288), (160, 403234), (169, 381760), (208, 310180), (260, 248144), (320, 201617), (338, 190880), (416, 155090), (520, 124072), (676, 95440), (832, 77545), (845, 76352), (1040, 62036), (1193, 54080), (1352, 47720), (1690, 38176), (2080, 31018), (2386, 27040), (2704, 23860), (3380, 19088), (4160, 15509), (4772, 13520), (5408, 11930), (5965, 10816), (6760, 9544)]