80228560

素因数分解:

$2^4\times 5^1\times {\mathrm{1002857}}^1$

素因数の和:1002870

約数の個数: 20

約数和(自身を含む): 186531588

約数和(自身を除く): 106303028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1002857, 2005714, 4011428, 5014285, 8022856, 10028570, 16045712, 20057140, 40114280, 80228560]

約数ペア:

[(1, 80228560), (2, 40114280), (4, 20057140), (5, 16045712), (8, 10028570), (10, 8022856), (16, 5014285), (20, 4011428), (40, 2005714), (80, 1002857)]