16120225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{73}}^2$

素因数の和:178

約数の個数: 27

約数和(自身を含む): 22276569

約数和(自身を除く): 6156344

約数列:

[1, 5, 11, 25, 55, 73, 121, 275, 365, 605, 803, 1825, 3025, 4015, 5329, 8833, 20075, 26645, 44165, 58619, 133225, 220825, 293095, 644809, 1465475, 3224045, 16120225]

約数ペア:

[(1, 16120225), (5, 3224045), (11, 1465475), (25, 644809), (55, 293095), (73, 220825), (121, 133225), (275, 58619), (365, 44165), (605, 26645), (803, 20075), (1825, 8833), (3025, 5329)]