28887940

素因数分解:

$2^2\times 5^1\times {\mathrm{617}}^1\times {\mathrm{2341}}^1$

素因数の和:2967

約数の個数: 24

約数和(自身を含む): 60788952

約数和(自身を除く): 31901012

約数列:

[1, 2, 4, 5, 10, 20, 617, 1234, 2341, 2468, 3085, 4682, 6170, 9364, 11705, 12340, 23410, 46820, 1444397, 2888794, 5777588, 7221985, 14443970, 28887940]

約数ペア:

[(1, 28887940), (2, 14443970), (4, 7221985), (5, 5777588), (10, 2888794), (20, 1444397), (617, 46820), (1234, 23410), (2341, 12340), (2468, 11705), (3085, 9364), (4682, 6170)]