220056590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{130211}}^1$

素因数の和:130244

約数の個数: 24

約数和(自身を含む): 428918328

約数和(自身を除く): 208861738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 130211, 260422, 651055, 1302110, 1692743, 3385486, 8463715, 16927430, 22005659, 44011318, 110028295, 220056590]

約数ペア:

[(1, 220056590), (2, 110028295), (5, 44011318), (10, 22005659), (13, 16927430), (26, 8463715), (65, 3385486), (130, 1692743), (169, 1302110), (338, 651055), (845, 260422), (1690, 130211)]