2016498920

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{101027}}^1$

素因数の和:101537

約数の個数: 32

約数和(自身を含む): 4546260000

約数和(自身を除く): 2529761080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 19960, 101027, 202054, 404108, 505135, 808216, 1010270, 2020540, 4041080, 50412473, 100824946, 201649892, 252062365, 403299784, 504124730, 1008249460, 2016498920]

約数ペア:

[(1, 2016498920), (2, 1008249460), (4, 504124730), (5, 403299784), (8, 252062365), (10, 201649892), (20, 100824946), (40, 50412473), (499, 4041080), (998, 2020540), (1996, 1010270), (2495, 808216), (3992, 505135), (4990, 404108), (9980, 202054), (19960, 101027)]