205952090

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 375681024

約数和(自身を除く): 169728934

約数列:

[1, 2, 5, 10, 127, 254, 257, 514, 631, 635, 1262, 1270, 1285, 2570, 3155, 6310, 32639, 65278, 80137, 160274, 162167, 163195, 324334, 326390, 400685, 801370, 810835, 1621670, 20595209, 41190418, 102976045, 205952090]

約数ペア:

[(1, 205952090), (2, 102976045), (5, 41190418), (10, 20595209), (127, 1621670), (254, 810835), (257, 801370), (514, 400685), (631, 326390), (635, 324334), (1262, 163195), (1270, 162167), (1285, 160274), (2570, 80137), (3155, 65278), (6310, 32639)]