28445380

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{9419}}^1$

素因数の和:9579

約数の個数: 24

約数和(自身を含む): 60137280

約数和(自身を除く): 31691900

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 9419, 18838, 37676, 47095, 94190, 188380, 1422269, 2844538, 5689076, 7111345, 14222690, 28445380]

約数ペア:

[(1, 28445380), (2, 14222690), (4, 7111345), (5, 5689076), (10, 2844538), (20, 1422269), (151, 188380), (302, 94190), (604, 47095), (755, 37676), (1510, 18838), (3020, 9419)]