2005001885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{22381}}^1$

素因数の和:22469

約数の個数: 32

約数和(自身を含む): 2707326720

約数和(自身を除く): 702324835

約数列:

[1, 5, 19, 23, 41, 95, 115, 205, 437, 779, 943, 2185, 3895, 4715, 17917, 22381, 89585, 111905, 425239, 514763, 917621, 2126195, 2573815, 4588105, 9780497, 17434799, 21105283, 48902485, 87173995, 105526415, 401000377, 2005001885]

約数ペア:

[(1, 2005001885), (5, 401000377), (19, 105526415), (23, 87173995), (41, 48902485), (95, 21105283), (115, 17434799), (205, 9780497), (437, 4588105), (779, 2573815), (943, 2126195), (2185, 917621), (3895, 514763), (4715, 425239), (17917, 111905), (22381, 89585)]