27887900

素因数分解:

$2^2\times 5^2\times {\mathrm{278879}}^1$

素因数の和:278893

約数の個数: 18

約数和(自身を含む): 60516960

約数和(自身を除く): 32629060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 278879, 557758, 1115516, 1394395, 2788790, 5577580, 6971975, 13943950, 27887900]

約数ペア:

[(1, 27887900), (2, 13943950), (4, 6971975), (5, 5577580), (10, 2788790), (20, 1394395), (25, 1115516), (50, 557758), (100, 278879)]