203400440

素因数分解:

$2^3\times 5^1\times {\mathrm{5085011}}^1$

素因数の和:5085022

約数の個数: 16

約数和(自身を含む): 457651080

約数和(自身を除く): 254250640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5085011, 10170022, 20340044, 25425055, 40680088, 50850110, 101700220, 203400440]

約数ペア:

[(1, 203400440), (2, 101700220), (4, 50850110), (5, 40680088), (8, 25425055), (10, 20340044), (20, 10170022), (40, 5085011)]