26281240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10771}}^1$

素因数の和:10843

約数の個数: 32

約数和(自身を含む): 60107760

約数和(自身を除く): 33826520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10771, 21542, 43084, 53855, 86168, 107710, 215420, 430840, 657031, 1314062, 2628124, 3285155, 5256248, 6570310, 13140620, 26281240]

約数ペア:

[(1, 26281240), (2, 13140620), (4, 6570310), (5, 5256248), (8, 3285155), (10, 2628124), (20, 1314062), (40, 657031), (61, 430840), (122, 215420), (244, 107710), (305, 86168), (488, 53855), (610, 43084), (1220, 21542), (2440, 10771)]