204421040

素因数分解:

$2^4\times 5^1\times {\mathrm{2555263}}^1$

素因数の和:2555276

約数の個数: 20

約数和(自身を含む): 475279104

約数和(自身を除く): 270858064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2555263, 5110526, 10221052, 12776315, 20442104, 25552630, 40884208, 51105260, 102210520, 204421040]

約数ペア:

[(1, 204421040), (2, 102210520), (4, 51105260), (5, 40884208), (8, 25552630), (10, 20442104), (16, 12776315), (20, 10221052), (40, 5110526), (80, 2555263)]