39321220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27691}}^1$

素因数の和:27771

約数の個数: 24

約数和(自身を含む): 83740608

約数和(自身を除く): 44419388

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27691, 55382, 110764, 138455, 276910, 553820, 1966061, 3932122, 7864244, 9830305, 19660610, 39321220]

約数ペア:

[(1, 39321220), (2, 19660610), (4, 9830305), (5, 7864244), (10, 3932122), (20, 1966061), (71, 553820), (142, 276910), (284, 138455), (355, 110764), (710, 55382), (1420, 27691)]