2889888940

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{886469}}^1$

素因数の和:886641

約数の個数: 24

約数和(自身を含む): 6106005360

約数和(自身を除く): 3216116420

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 886469, 1772938, 3545876, 4432345, 8864690, 17729380, 144494447, 288988894, 577977788, 722472235, 1444944470, 2889888940]

約数ペア:

[(1, 2889888940), (2, 1444944470), (4, 722472235), (5, 577977788), (10, 288988894), (20, 144494447), (163, 17729380), (326, 8864690), (652, 4432345), (815, 3545876), (1630, 1772938), (3260, 886469)]