13705520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2557}}^1$

素因数の和:2637

約数の個数: 40

約数和(自身を含む): 32353584

約数和(自身を除く): 18648064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2557, 2680, 5114, 5360, 10228, 12785, 20456, 25570, 40912, 51140, 102280, 171319, 204560, 342638, 685276, 856595, 1370552, 1713190, 2741104, 3426380, 6852760, 13705520]

約数ペア:

[(1, 13705520), (2, 6852760), (4, 3426380), (5, 2741104), (8, 1713190), (10, 1370552), (16, 856595), (20, 685276), (40, 342638), (67, 204560), (80, 171319), (134, 102280), (268, 51140), (335, 40912), (536, 25570), (670, 20456), (1072, 12785), (1340, 10228), (2557, 5360), (2680, 5114)]