13789780

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{1987}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 29056608

約数和(自身を除く): 15266828

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 1987, 3470, 3974, 6940, 7948, 9935, 19870, 39740, 689489, 1378978, 2757956, 3447445, 6894890, 13789780]

約数ペア:

[(1, 13789780), (2, 6894890), (4, 3447445), (5, 2757956), (10, 1378978), (20, 689489), (347, 39740), (694, 19870), (1388, 9935), (1735, 7948), (1987, 6940), (3470, 3974)]