2261048840

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{113279}}^1$

素因数の和:113789

約数の個数: 32

約数和(自身を含む): 5097600000

約数和(自身を除く): 2836551160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 19960, 113279, 226558, 453116, 566395, 906232, 1132790, 2265580, 4531160, 56526221, 113052442, 226104884, 282631105, 452209768, 565262210, 1130524420, 2261048840]

約数ペア:

[(1, 2261048840), (2, 1130524420), (4, 565262210), (5, 452209768), (8, 282631105), (10, 226104884), (20, 113052442), (40, 56526221), (499, 4531160), (998, 2265580), (1996, 1132790), (2495, 906232), (3992, 566395), (4990, 453116), (9980, 226558), (19960, 113279)]