38740180

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7537}}^1$

素因数の和:7803

約数の個数: 24

約数和(自身を含む): 81681768

約数和(自身を除く): 42941588

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 7537, 15074, 30148, 37685, 75370, 150740, 1937009, 3874018, 7748036, 9685045, 19370090, 38740180]

約数ペア:

[(1, 38740180), (2, 19370090), (4, 9685045), (5, 7748036), (10, 3874018), (20, 1937009), (257, 150740), (514, 75370), (1028, 37685), (1285, 30148), (2570, 15074), (5140, 7537)]