390160

素因数分解:

$2^4\times 5^1\times {\mathrm{4877}}^1$

素因数の和:4890

約数の個数: 20

約数和(自身を含む): 907308

約数和(自身を除く): 517148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4877, 9754, 19508, 24385, 39016, 48770, 78032, 97540, 195080, 390160]

約数ペア:

[(1, 390160), (2, 195080), (4, 97540), (5, 78032), (8, 48770), (10, 39016), (16, 24385), (20, 19508), (40, 9754), (80, 4877)]