51696530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 103403520

約数和(自身を除く): 51706990

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 67, 95, 131, 134, 155, 190, 262, 310, 335, 589, 655, 670, 1178, 1273, 1310, 2077, 2489, 2546, 2945, 4061, 4154, 4978, 5890, 6365, 8122, 8777, 10385, 12445, 12730, 17554, 20305, 20770, 24890, 39463, 40610, 43885, 77159, 78926, 87770, 154318, 166763, 197315, 272087, 333526, 385795, 394630, 544174, 771590, 833815, 1360435, 1667630, 2720870, 5169653, 10339306, 25848265, 51696530]

約数ペア:

[(1, 51696530), (2, 25848265), (5, 10339306), (10, 5169653), (19, 2720870), (31, 1667630), (38, 1360435), (62, 833815), (67, 771590), (95, 544174), (131, 394630), (134, 385795), (155, 333526), (190, 272087), (262, 197315), (310, 166763), (335, 154318), (589, 87770), (655, 78926), (670, 77159), (1178, 43885), (1273, 40610), (1310, 39463), (2077, 24890), (2489, 20770), (2546, 20305), (2945, 17554), (4061, 12730), (4154, 12445), (4978, 10385), (5890, 8777), (6365, 8122)]