103571920

素因数分解:

$2^4\times 5^1\times {\mathrm{1294649}}^1$

素因数の和:1294662

約数の個数: 20

約数和(自身を含む): 240804900

約数和(自身を除く): 137232980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1294649, 2589298, 5178596, 6473245, 10357192, 12946490, 20714384, 25892980, 51785960, 103571920]

約数ペア:

[(1, 103571920), (2, 51785960), (4, 25892980), (5, 20714384), (8, 12946490), (10, 10357192), (16, 6473245), (20, 5178596), (40, 2589298), (80, 1294649)]