25685392

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{26317}}^1$

素因数の和:26386

約数の個数: 20

約数和(自身を含む): 50583196

約数和(自身を除く): 24897804

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 26317, 52634, 105268, 210536, 421072, 1605337, 3210674, 6421348, 12842696, 25685392]

約数ペア:

[(1, 25685392), (2, 12842696), (4, 6421348), (8, 3210674), (16, 1605337), (61, 421072), (122, 210536), (244, 105268), (488, 52634), (976, 26317)]