51128275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 69973200

約数和(自身を除く): 18844925

約数列:

[1, 5, 11, 25, 55, 89, 275, 445, 979, 2089, 2225, 4895, 10445, 22979, 24475, 52225, 114895, 185921, 574475, 929605, 2045131, 4648025, 10225655, 51128275]

約数ペア:

[(1, 51128275), (5, 10225655), (11, 4648025), (25, 2045131), (55, 929605), (89, 574475), (275, 185921), (445, 114895), (979, 52225), (2089, 24475), (2225, 22979), (4895, 10445)]