54912820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{38671}}^1$

素因数の和:38751

約数の個数: 24

約数和(自身を含む): 116944128

約数和(自身を除く): 62031308

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 38671, 77342, 154684, 193355, 386710, 773420, 2745641, 5491282, 10982564, 13728205, 27456410, 54912820]

約数ペア:

[(1, 54912820), (2, 27456410), (4, 13728205), (5, 10982564), (10, 5491282), (20, 2745641), (71, 773420), (142, 386710), (284, 193355), (355, 154684), (710, 77342), (1420, 38671)]