25868980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4159}}^1$

素因数の和:4479

約数の個数: 24

約数和(自身を含む): 54512640

約数和(自身を除く): 28643660

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4159, 6220, 8318, 16636, 20795, 41590, 83180, 1293449, 2586898, 5173796, 6467245, 12934490, 25868980]

約数ペア:

[(1, 25868980), (2, 12934490), (4, 6467245), (5, 5173796), (10, 2586898), (20, 1293449), (311, 83180), (622, 41590), (1244, 20795), (1555, 16636), (3110, 8318), (4159, 6220)]