10518140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 23030784

約数和(自身を除く): 12512644

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 127, 164, 202, 205, 254, 404, 410, 505, 508, 635, 820, 1010, 1270, 2020, 2540, 4141, 5207, 8282, 10414, 12827, 16564, 20705, 20828, 25654, 26035, 41410, 51308, 52070, 64135, 82820, 104140, 128270, 256540, 525907, 1051814, 2103628, 2629535, 5259070, 10518140]

約数ペア:

[(1, 10518140), (2, 5259070), (4, 2629535), (5, 2103628), (10, 1051814), (20, 525907), (41, 256540), (82, 128270), (101, 104140), (127, 82820), (164, 64135), (202, 52070), (205, 51308), (254, 41410), (404, 26035), (410, 25654), (505, 20828), (508, 20705), (635, 16564), (820, 12827), (1010, 10414), (1270, 8282), (2020, 5207), (2540, 4141)]