22009825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 28357560

約数和(自身を除く): 6347735

約数列:

[1, 5, 25, 41, 109, 197, 205, 545, 985, 1025, 2725, 4469, 4925, 8077, 21473, 22345, 40385, 107365, 111725, 201925, 536825, 880393, 4401965, 22009825]

約数ペア:

[(1, 22009825), (5, 4401965), (25, 880393), (41, 536825), (109, 201925), (197, 111725), (205, 107365), (545, 40385), (985, 22345), (1025, 21473), (2725, 8077), (4469, 4925)]