27820790

素因数分解:

$2^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{4409}}^1$

素因数の和:5047

約数の個数: 16

約数和(自身を含む): 50168160

約数和(自身を除く): 22347370

約数列:

[1, 2, 5, 10, 631, 1262, 3155, 4409, 6310, 8818, 22045, 44090, 2782079, 5564158, 13910395, 27820790]

約数ペア:

[(1, 27820790), (2, 13910395), (5, 5564158), (10, 2782079), (631, 44090), (1262, 22045), (3155, 8818), (4409, 6310)]