25609264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1469

約数の個数: 40

約数和(自身を含む): 53124080

約数和(自身を除く): 27514816

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 1381, 2318, 2762, 4636, 5524, 9272, 11048, 18544, 22096, 26239, 52478, 84241, 104956, 168482, 209912, 336964, 419824, 673928, 1347856, 1600579, 3201158, 6402316, 12804632, 25609264]

約数ペア:

[(1, 25609264), (2, 12804632), (4, 6402316), (8, 3201158), (16, 1600579), (19, 1347856), (38, 673928), (61, 419824), (76, 336964), (122, 209912), (152, 168482), (244, 104956), (304, 84241), (488, 52478), (976, 26239), (1159, 22096), (1381, 18544), (2318, 11048), (2762, 9272), (4636, 5524)]