68064880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65447}}^1$

素因数の和:65473

約数の個数: 40

約数和(自身を含む): 170426592

約数和(自身を除く): 102361712

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 65447, 130894, 261788, 327235, 523576, 654470, 850811, 1047152, 1308940, 1701622, 2617880, 3403244, 4254055, 5235760, 6806488, 8508110, 13612976, 17016220, 34032440, 68064880]

約数ペア:

[(1, 68064880), (2, 34032440), (4, 17016220), (5, 13612976), (8, 8508110), (10, 6806488), (13, 5235760), (16, 4254055), (20, 3403244), (26, 2617880), (40, 1701622), (52, 1308940), (65, 1047152), (80, 850811), (104, 654470), (130, 523576), (208, 327235), (260, 261788), (520, 130894), (1040, 65447)]