1340807920

素因数分解:

$2^4\times 5^1\times {\mathrm{16760099}}^1$

素因数の和:16760112

約数の個数: 20

約数和(自身を含む): 3117378600

約数和(自身を除く): 1776570680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16760099, 33520198, 67040396, 83800495, 134080792, 167600990, 268161584, 335201980, 670403960, 1340807920]

約数ペア:

[(1, 1340807920), (2, 670403960), (4, 335201980), (5, 268161584), (8, 167600990), (10, 134080792), (16, 83800495), (20, 67040396), (40, 33520198), (80, 16760099)]