25848140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21187}}^1$

素因数の和:21257

約数の個数: 24

約数和(自身を含む): 55173552

約数和(自身を除く): 29325412

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 21187, 42374, 84748, 105935, 211870, 423740, 1292407, 2584814, 5169628, 6462035, 12924070, 25848140]

約数ペア:

[(1, 25848140), (2, 12924070), (4, 6462035), (5, 5169628), (10, 2584814), (20, 1292407), (61, 423740), (122, 211870), (244, 105935), (305, 84748), (610, 42374), (1220, 21187)]