25948180

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21269}}^1$

素因数の和:21339

約数の個数: 24

約数和(自身を含む): 55387080

約数和(自身を除く): 29438900

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21269, 42538, 85076, 106345, 212690, 425380, 1297409, 2594818, 5189636, 6487045, 12974090, 25948180]

約数ペア:

[(1, 25948180), (2, 12974090), (4, 6487045), (5, 5189636), (10, 2594818), (20, 1297409), (61, 425380), (122, 212690), (244, 106345), (305, 85076), (610, 42538), (1220, 21269)]