137904080

素因数分解:

$2^4\times 5^1\times {\mathrm{1723801}}^1$

素因数の和:1723814

約数の個数: 20

約数和(自身を含む): 320627172

約数和(自身を除く): 182723092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1723801, 3447602, 6895204, 8619005, 13790408, 17238010, 27580816, 34476020, 68952040, 137904080]

約数ペア:

[(1, 137904080), (2, 68952040), (4, 34476020), (5, 27580816), (8, 17238010), (10, 13790408), (16, 8619005), (20, 6895204), (40, 3447602), (80, 1723801)]