25746020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18131}}^1$

素因数の和:18211

約数の個数: 24

約数和(自身を含む): 54831168

約数和(自身を除く): 29085148

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 18131, 36262, 72524, 90655, 181310, 362620, 1287301, 2574602, 5149204, 6436505, 12873010, 25746020]

約数ペア:

[(1, 25746020), (2, 12873010), (4, 6436505), (5, 5149204), (10, 2574602), (20, 1287301), (71, 362620), (142, 181310), (284, 90655), (355, 72524), (710, 36262), (1420, 18131)]