25221872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{121259}}^1$

素因数の和:121280

約数の個数: 20

約数和(自身を含む): 52626840

約数和(自身を除く): 27404968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 121259, 242518, 485036, 970072, 1576367, 1940144, 3152734, 6305468, 12610936, 25221872]

約数ペア:

[(1, 25221872), (2, 12610936), (4, 6305468), (8, 3152734), (13, 1940144), (16, 1576367), (26, 970072), (52, 485036), (104, 242518), (208, 121259)]