27988180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127219}}^1$

素因数の和:127239

約数の個数: 24

約数和(自身を含む): 64118880

約数和(自身を除く): 36130700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127219, 254438, 508876, 636095, 1272190, 1399409, 2544380, 2798818, 5597636, 6997045, 13994090, 27988180]

約数ペア:

[(1, 27988180), (2, 13994090), (4, 6997045), (5, 5597636), (10, 2798818), (11, 2544380), (20, 1399409), (22, 1272190), (44, 636095), (55, 508876), (110, 254438), (220, 127219)]