27435880

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1087}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 61885440

約数和(自身を除く): 34449560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1087, 1262, 2174, 2524, 3155, 4348, 5048, 5435, 6310, 8696, 10870, 12620, 21740, 25240, 43480, 685897, 1371794, 2743588, 3429485, 5487176, 6858970, 13717940, 27435880]

約数ペア:

[(1, 27435880), (2, 13717940), (4, 6858970), (5, 5487176), (8, 3429485), (10, 2743588), (20, 1371794), (40, 685897), (631, 43480), (1087, 25240), (1262, 21740), (2174, 12620), (2524, 10870), (3155, 8696), (4348, 6310), (5048, 5435)]