25220816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{25841}}^1$

素因数の和:25910

約数の個数: 20

約数和(自身を含む): 49668324

約数和(自身を除く): 24447508

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 25841, 51682, 103364, 206728, 413456, 1576301, 3152602, 6305204, 12610408, 25220816]

約数ペア:

[(1, 25220816), (2, 12610408), (4, 6305204), (8, 3152602), (16, 1576301), (61, 413456), (122, 206728), (244, 103364), (488, 51682), (976, 25841)]