8465420

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1361}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 17847648

約数和(自身を除く): 9382228

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1361, 1555, 2722, 3110, 5444, 6220, 6805, 13610, 27220, 423271, 846542, 1693084, 2116355, 4232710, 8465420]

約数ペア:

[(1, 8465420), (2, 4232710), (4, 2116355), (5, 1693084), (10, 846542), (20, 423271), (311, 27220), (622, 13610), (1244, 6805), (1361, 6220), (1555, 5444), (2722, 3110)]