201059780

素因数分解:

$2^2\times 5^1\times {\mathrm{2011}}^1\times {\mathrm{4999}}^1$

素因数の和:7019

約数の個数: 24

約数和(自身を含む): 422520000

約数和(自身を除く): 221460220

約数列:

[1, 2, 4, 5, 10, 20, 2011, 4022, 4999, 8044, 9998, 10055, 19996, 20110, 24995, 40220, 49990, 99980, 10052989, 20105978, 40211956, 50264945, 100529890, 201059780]

約数ペア:

[(1, 201059780), (2, 100529890), (4, 50264945), (5, 40211956), (10, 20105978), (20, 10052989), (2011, 99980), (4022, 49990), (4999, 40220), (8044, 24995), (9998, 20110), (10055, 19996)]