1854404680

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{28813}}^1$

素因数の和:30433

約数の個数: 32

約数和(自身を含む): 4175148600

約数和(自身を除く): 2320743920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3218, 6436, 8045, 12872, 16090, 28813, 32180, 57626, 64360, 115252, 144065, 230504, 288130, 576260, 1152520, 46360117, 92720234, 185440468, 231800585, 370880936, 463601170, 927202340, 1854404680]

約数ペア:

[(1, 1854404680), (2, 927202340), (4, 463601170), (5, 370880936), (8, 231800585), (10, 185440468), (20, 92720234), (40, 46360117), (1609, 1152520), (3218, 576260), (6436, 288130), (8045, 230504), (12872, 144065), (16090, 115252), (28813, 64360), (32180, 57626)]