118840240

素因数分解:

$2^4\times 5^1\times {\mathrm{1485503}}^1$

素因数の和:1485516

約数の個数: 20

約数和(自身を含む): 276303744

約数和(自身を除く): 157463504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1485503, 2971006, 5942012, 7427515, 11884024, 14855030, 23768048, 29710060, 59420120, 118840240]

約数ペア:

[(1, 118840240), (2, 59420120), (4, 29710060), (5, 23768048), (8, 14855030), (10, 11884024), (16, 7427515), (20, 5942012), (40, 2971006), (80, 1485503)]