2548651845620

素因数分解:

$2^2\times 5^1\times {\mathrm{155201}}^1\times {\mathrm{821081}}^1$

素因数の和:976291

約数の個数: 24

約数和(自身を含む): 5352209879688

約数和(自身を除く): 2803558034068

約数列:

[1, 2, 4, 5, 10, 20, 155201, 310402, 620804, 776005, 821081, 1552010, 1642162, 3104020, 3284324, 4105405, 8210810, 16421620, 127432592281, 254865184562, 509730369124, 637162961405, 1274325922810, 2548651845620]

約数ペア:

[(1, 2548651845620), (2, 1274325922810), (4, 637162961405), (5, 509730369124), (10, 254865184562), (20, 127432592281), (155201, 16421620), (310402, 8210810), (620804, 4105405), (776005, 3284324), (821081, 3104020), (1552010, 1642162)]