71692280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{162937}}^1$

素因数の和:162959

約数の個数: 32

約数和(自身を含む): 175973040

約数和(自身を除く): 104280760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 162937, 325874, 651748, 814685, 1303496, 1629370, 1792307, 3258740, 3584614, 6517480, 7169228, 8961535, 14338456, 17923070, 35846140, 71692280]

約数ペア:

[(1, 71692280), (2, 35846140), (4, 17923070), (5, 14338456), (8, 8961535), (10, 7169228), (11, 6517480), (20, 3584614), (22, 3258740), (40, 1792307), (44, 1629370), (55, 1303496), (88, 814685), (110, 651748), (220, 325874), (440, 162937)]