26311180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2647}}^1$

素因数の和:2734

約数の個数: 48

約数和(自身を含む): 64060416

約数和(自身を除く): 37749236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2647, 4970, 5294, 9940, 10588, 13235, 18529, 26470, 37058, 52940, 74116, 92645, 185290, 187937, 370580, 375874, 751748, 939685, 1315559, 1879370, 2631118, 3758740, 5262236, 6577795, 13155590, 26311180]

約数ペア:

[(1, 26311180), (2, 13155590), (4, 6577795), (5, 5262236), (7, 3758740), (10, 2631118), (14, 1879370), (20, 1315559), (28, 939685), (35, 751748), (70, 375874), (71, 370580), (140, 187937), (142, 185290), (284, 92645), (355, 74116), (497, 52940), (710, 37058), (994, 26470), (1420, 18529), (1988, 13235), (2485, 10588), (2647, 9940), (4970, 5294)]