31394380

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{21503}}^1$

素因数の和:21585

約数の個数: 24

約数和(自身を含む): 66834432

約数和(自身を除く): 35440052

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 21503, 43006, 86012, 107515, 215030, 430060, 1569719, 3139438, 6278876, 7848595, 15697190, 31394380]

約数ペア:

[(1, 31394380), (2, 15697190), (4, 7848595), (5, 6278876), (10, 3139438), (20, 1569719), (73, 430060), (146, 215030), (292, 107515), (365, 86012), (730, 43006), (1460, 21503)]