201772520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{39719}}^1$

素因数の和:39857

約数の個数: 32

約数和(自身を含む): 457574400

約数和(自身を除く): 255801880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 39719, 79438, 158876, 198595, 317752, 397190, 794380, 1588760, 5044313, 10088626, 20177252, 25221565, 40354504, 50443130, 100886260, 201772520]

約数ペア:

[(1, 201772520), (2, 100886260), (4, 50443130), (5, 40354504), (8, 25221565), (10, 20177252), (20, 10088626), (40, 5044313), (127, 1588760), (254, 794380), (508, 397190), (635, 317752), (1016, 198595), (1270, 158876), (2540, 79438), (5080, 39719)]