8732020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 21067200

約数和(自身を除く): 12335180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2089, 2090, 4178, 4180, 8356, 10445, 20890, 22979, 39691, 41780, 45958, 79382, 91916, 114895, 158764, 198455, 229790, 396910, 436601, 459580, 793820, 873202, 1746404, 2183005, 4366010, 8732020]

約数ペア:

[(1, 8732020), (2, 4366010), (4, 2183005), (5, 1746404), (10, 873202), (11, 793820), (19, 459580), (20, 436601), (22, 396910), (38, 229790), (44, 198455), (55, 158764), (76, 114895), (95, 91916), (110, 79382), (190, 45958), (209, 41780), (220, 39691), (380, 22979), (418, 20890), (836, 10445), (1045, 8356), (2089, 4180), (2090, 4178)]