195651920

素因数分解:

$2^4\times 5^1\times {\mathrm{2445649}}^1$

素因数の和:2445662

約数の個数: 20

約数和(自身を含む): 454890900

約数和(自身を除く): 259238980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2445649, 4891298, 9782596, 12228245, 19565192, 24456490, 39130384, 48912980, 97825960, 195651920]

約数ペア:

[(1, 195651920), (2, 97825960), (4, 48912980), (5, 39130384), (8, 24456490), (10, 19565192), (16, 12228245), (20, 9782596), (40, 4891298), (80, 2445649)]