2045001880

素因数分解:

$2^3\times 5^1\times {\mathrm{457}}^1\times {\mathrm{111871}}^1$

素因数の和:112339

約数の個数: 32

約数和(自身を含む): 4611363840

約数和(自身を除く): 2566361960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 457, 914, 1828, 2285, 3656, 4570, 9140, 18280, 111871, 223742, 447484, 559355, 894968, 1118710, 2237420, 4474840, 51125047, 102250094, 204500188, 255625235, 409000376, 511250470, 1022500940, 2045001880]

約数ペア:

[(1, 2045001880), (2, 1022500940), (4, 511250470), (5, 409000376), (8, 255625235), (10, 204500188), (20, 102250094), (40, 51125047), (457, 4474840), (914, 2237420), (1828, 1118710), (2285, 894968), (3656, 559355), (4570, 447484), (9140, 223742), (18280, 111871)]