208995320

素因数分解:

$2^3\times 5^1\times {\mathrm{5224883}}^1$

素因数の和:5224894

約数の個数: 16

約数和(自身を含む): 470239560

約数和(自身を除く): 261244240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5224883, 10449766, 20899532, 26124415, 41799064, 52248830, 104497660, 208995320]

約数ペア:

[(1, 208995320), (2, 104497660), (4, 52248830), (5, 41799064), (8, 26124415), (10, 20899532), (20, 10449766), (40, 5224883)]