203400880

素因数分解:

$2^4\times 5^1\times {\mathrm{2542511}}^1$

素因数の和:2542524

約数の個数: 20

約数和(自身を含む): 472907232

約数和(自身を除く): 269506352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2542511, 5085022, 10170044, 12712555, 20340088, 25425110, 40680176, 50850220, 101700440, 203400880]

約数ペア:

[(1, 203400880), (2, 101700440), (4, 50850220), (5, 40680176), (8, 25425110), (10, 20340088), (16, 12712555), (20, 10170044), (40, 5085022), (80, 2542511)]