51640550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1499}}^1$

素因数の和:1577

約数の個数: 48

約数和(自身を含む): 105462000

約数和(自身を除く): 53821450

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 1325, 1378, 1499, 2650, 2998, 3445, 6890, 7495, 14990, 17225, 19487, 34450, 37475, 38974, 74950, 79447, 97435, 158894, 194870, 397235, 487175, 794470, 974350, 1032811, 1986175, 2065622, 3972350, 5164055, 10328110, 25820275, 51640550]

約数ペア:

[(1, 51640550), (2, 25820275), (5, 10328110), (10, 5164055), (13, 3972350), (25, 2065622), (26, 1986175), (50, 1032811), (53, 974350), (65, 794470), (106, 487175), (130, 397235), (265, 194870), (325, 158894), (530, 97435), (650, 79447), (689, 74950), (1325, 38974), (1378, 37475), (1499, 34450), (2650, 19487), (2998, 17225), (3445, 14990), (6890, 7495)]