190019920

素因数分解:

$2^4\times 5^1\times {\mathrm{2375249}}^1$

素因数の和:2375262

約数の個数: 20

約数和(自身を含む): 441796500

約数和(自身を除く): 251776580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2375249, 4750498, 9500996, 11876245, 19001992, 23752490, 38003984, 47504980, 95009960, 190019920]

約数ペア:

[(1, 190019920), (2, 95009960), (4, 47504980), (5, 38003984), (8, 23752490), (10, 19001992), (16, 11876245), (20, 9500996), (40, 4750498), (80, 2375249)]