25600880

素因数分解:

$2^4\times 5^1\times {\mathrm{320011}}^1$

素因数の和:320024

約数の個数: 20

約数和(自身を含む): 59522232

約数和(自身を除く): 33921352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 320011, 640022, 1280044, 1600055, 2560088, 3200110, 5120176, 6400220, 12800440, 25600880]

約数ペア:

[(1, 25600880), (2, 12800440), (4, 6400220), (5, 5120176), (8, 3200110), (10, 2560088), (16, 1600055), (20, 1280044), (40, 640022), (80, 320011)]