51561820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2887}}^1$

素因数の和:2962

約数の個数: 48

約数和(自身を含む): 116444160

約数和(自身を除く): 64882340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 940, 1786, 2887, 3572, 4465, 5774, 8930, 11548, 14435, 17860, 28870, 54853, 57740, 109706, 135689, 219412, 271378, 274265, 542756, 548530, 678445, 1097060, 1356890, 2578091, 2713780, 5156182, 10312364, 12890455, 25780910, 51561820]

約数ペア:

[(1, 51561820), (2, 25780910), (4, 12890455), (5, 10312364), (10, 5156182), (19, 2713780), (20, 2578091), (38, 1356890), (47, 1097060), (76, 678445), (94, 548530), (95, 542756), (188, 274265), (190, 271378), (235, 219412), (380, 135689), (470, 109706), (893, 57740), (940, 54853), (1786, 28870), (2887, 17860), (3572, 14435), (4465, 11548), (5774, 8930)]