138216880

素因数分解:

$2^4\times 5^1\times {\mathrm{1727711}}^1$

素因数の和:1727724

約数の個数: 20

約数和(自身を含む): 321354432

約数和(自身を除く): 183137552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1727711, 3455422, 6910844, 8638555, 13821688, 17277110, 27643376, 34554220, 69108440, 138216880]

約数ペア:

[(1, 138216880), (2, 69108440), (4, 34554220), (5, 27643376), (8, 17277110), (10, 13821688), (16, 8638555), (20, 6910844), (40, 3455422), (80, 1727711)]