85280680

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2113}}^1$

素因数の和:3133

約数の個数: 32

約数和(自身を含む): 192162600

約数和(自身を除く): 106881920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 2113, 4036, 4226, 5045, 8072, 8452, 10090, 10565, 16904, 20180, 21130, 40360, 42260, 84520, 2132017, 4264034, 8528068, 10660085, 17056136, 21320170, 42640340, 85280680]

約数ペア:

[(1, 85280680), (2, 42640340), (4, 21320170), (5, 17056136), (8, 10660085), (10, 8528068), (20, 4264034), (40, 2132017), (1009, 84520), (2018, 42260), (2113, 40360), (4036, 21130), (4226, 20180), (5045, 16904), (8072, 10565), (8452, 10090)]