55358875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 85962240

約数和(自身を除く): 30603365

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 125, 143, 163, 209, 247, 275, 325, 475, 715, 815, 1045, 1235, 1375, 1625, 1793, 2119, 2375, 2717, 3097, 3575, 4075, 5225, 6175, 8965, 10595, 13585, 15485, 17875, 20375, 23309, 26125, 30875, 34067, 40261, 44825, 52975, 67925, 77425, 116545, 170335, 201305, 224125, 264875, 339625, 387125, 442871, 582725, 851675, 1006525, 2214355, 2913625, 4258375, 5032625, 11071775, 55358875]

約数ペア:

[(1, 55358875), (5, 11071775), (11, 5032625), (13, 4258375), (19, 2913625), (25, 2214355), (55, 1006525), (65, 851675), (95, 582725), (125, 442871), (143, 387125), (163, 339625), (209, 264875), (247, 224125), (275, 201305), (325, 170335), (475, 116545), (715, 77425), (815, 67925), (1045, 52975), (1235, 44825), (1375, 40261), (1625, 34067), (1793, 30875), (2119, 26125), (2375, 23309), (2717, 20375), (3097, 17875), (3575, 15485), (4075, 13585), (5225, 10595), (6175, 8965)]