805180

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 1709568

約数和(自身を除く): 904388

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 317, 508, 634, 635, 1268, 1270, 1585, 2540, 3170, 6340, 40259, 80518, 161036, 201295, 402590, 805180]

約数ペア:

[(1, 805180), (2, 402590), (4, 201295), (5, 161036), (10, 80518), (20, 40259), (127, 6340), (254, 3170), (317, 2540), (508, 1585), (634, 1270), (635, 1268)]