28215500

素因数分解:

$2^2\times 5^3\times {\mathrm{56431}}^1$

素因数の和:56450

約数の個数: 24

約数和(自身を含む): 61623744

約数和(自身を除く): 33408244

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 56431, 112862, 225724, 282155, 564310, 1128620, 1410775, 2821550, 5643100, 7053875, 14107750, 28215500]

約数ペア:

[(1, 28215500), (2, 14107750), (4, 7053875), (5, 5643100), (10, 2821550), (20, 1410775), (25, 1128620), (50, 564310), (100, 282155), (125, 225724), (250, 112862), (500, 56431)]