40538120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144779}}^1$

素因数の和:144797

約数の個数: 32

約数和(自身を含む): 104241600

約数和(自身を除く): 63703480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144779, 289558, 579116, 723895, 1013453, 1158232, 1447790, 2026906, 2895580, 4053812, 5067265, 5791160, 8107624, 10134530, 20269060, 40538120]

約数ペア:

[(1, 40538120), (2, 20269060), (4, 10134530), (5, 8107624), (7, 5791160), (8, 5067265), (10, 4053812), (14, 2895580), (20, 2026906), (28, 1447790), (35, 1158232), (40, 1013453), (56, 723895), (70, 579116), (140, 289558), (280, 144779)]