28838860

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{3929}}^1$

素因数の和:4305

約数の個数: 24

約数和(自身を含む): 60742080

約数和(自身を除く): 31903220

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 3929, 7340, 7858, 15716, 19645, 39290, 78580, 1441943, 2883886, 5767772, 7209715, 14419430, 28838860]

約数ペア:

[(1, 28838860), (2, 14419430), (4, 7209715), (5, 5767772), (10, 2883886), (20, 1441943), (367, 78580), (734, 39290), (1468, 19645), (1835, 15716), (3670, 7858), (3929, 7340)]