156984158920

素因数分解:

$2^3\times 5^1\times {\mathrm{1297}}^1\times {\mathrm{3025909}}^1$

素因数の和:3027217

約数の個数: 32

約数和(自身を含む): 353486806200

約数和(自身を除く): 196502647280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1297, 2594, 5188, 6485, 10376, 12970, 25940, 51880, 3025909, 6051818, 12103636, 15129545, 24207272, 30259090, 60518180, 121036360, 3924603973, 7849207946, 15698415892, 19623019865, 31396831784, 39246039730, 78492079460, 156984158920]

約数ペア:

[(1, 156984158920), (2, 78492079460), (4, 39246039730), (5, 31396831784), (8, 19623019865), (10, 15698415892), (20, 7849207946), (40, 3924603973), (1297, 121036360), (2594, 60518180), (5188, 30259090), (6485, 24207272), (10376, 15129545), (12970, 12103636), (25940, 6051818), (51880, 3025909)]