2011105840

素因数分解:

$2^4\times 5^1\times {\mathrm{25138823}}^1$

素因数の和:25138836

約数の個数: 20

約数和(自身を含む): 4675821264

約数和(自身を除く): 2664715424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25138823, 50277646, 100555292, 125694115, 201110584, 251388230, 402221168, 502776460, 1005552920, 2011105840]

約数ペア:

[(1, 2011105840), (2, 1005552920), (4, 502776460), (5, 402221168), (8, 251388230), (10, 201110584), (16, 125694115), (20, 100555292), (40, 50277646), (80, 25138823)]