89589020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{44351}}^1$

素因数の和:44461

約数の個数: 24

約数和(自身を含む): 190003968

約数和(自身を除く): 100414948

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 44351, 88702, 177404, 221755, 443510, 887020, 4479451, 8958902, 17917804, 22397255, 44794510, 89589020]

約数ペア:

[(1, 89589020), (2, 44794510), (4, 22397255), (5, 17917804), (10, 8958902), (20, 4479451), (101, 887020), (202, 443510), (404, 221755), (505, 177404), (1010, 88702), (2020, 44351)]